Ajzen, I. (1991). The theory of planned behavior. Organizational Behavior and Human Decision Processes, 50(2), 179211. https://doi.org/https://doi.org/10.1016/0749-5978(91)90020-T

Albaum, G., Albaum, G. S., Strandskov, J., & Edwin, D. (2002). International Marketing and Export Management. 4th Edition (4th ed.). Prentice Hall.

Aminuddin, M. (2013). Modul Praktikum Komputasi Teknik Olahan Data Statistika Menggunakan SPSS 17 dan Ms. Excel 2010. Unissula Press.

Assael, H. (2004). Consumer Behavior: A Strategic Approach (6th ed.). HOUGHTON MIFFLIN COMPANY, NEW YORK.

Bamberg, S., Hunecke, M., & Blbaum, A. (2007). Social context, personal norms and the use of public transportation: Two field studies. Journal of Environmental Psychology, 27(3), 190203. https://doi.org/https://doi.org/10.1016/j.jenvp.2007.04.001

Barykin, S. E., de la Poza, E., Khalid, B., Kapustina, I. V., Kalinina, O. V., & Iqbal, K. M. J. (2021). Tourism industry: Digital transformation. Handbook of Research on Future Opportunities for Technology Management Education, July, 414434. https://doi.org/10.4018/978-1-7998-8327-2.ch025

Bashir, A. M. (2019). Effect of halal awareness, halal logo and attitude on foreign consumers purchase intention. British Food Journal, 121(9), 19982015. https://doi.org/10.1108/BFJ-01-2019-0011

Boguszewicz-Kreft, M., Kuczamer-K?opotowska, S., Koz?owski, A., Ayci, A., & Abuhashesh, M. (2020). The Theory of Planned Behaviour in Medical Tourism: International Comparison in the Young Consumer Segment. International Journal of Environmental Research and Public Health, 17(5), 1626. https://doi.org/10.3390/ijerph17051626

Cialdini, R. B., Reno, R. R., & Kallgren, C. A. (1990). A focus theory of normative conduct: Recycling the concept of norms to reduce littering in public places. Journal of Personality and Social Psychology, 58(6), 10151026. https://doi.org/10.1037/0022-3514.58.6.1015

Clark, C. F., Kotchen, M. J., & Moore, M. R. (2003). Internal and external influences on pro-environmental behavior: Participation in a green electricity program. Journal of Environmental Psychology, 23(3), 237246. https://doi.org/https://doi.org/10.1016/S0272-4944(02)00105-6

Cravens, D. W., FitzHugh, K. L. M., & Piercy, N. F. (2011). The Oxford Handbook of Strategic Sales and Sales Management. OUP Oxford.

Das, S. S., & Tiwari, A. K. (2021). Understanding international and domestic travel intention of Indian travellers during COVID-19 using a Bayesian approach. Tourism Recreation Research, 46(2), 228244. https://doi.org/10.1080/02508281.2020.1830341

Debora Indriani, I. A., Rahayu, M., & Hadiwidjojo, D. (2019). The Influence of Environmental Knowledge on Green Purchase Intention the Role of Attitude as Mediating Variable. International Journal of Multicultural and Multireligious Understanding, 6(2), 627. https://doi.org/10.18415/ijmmu.v6i2.706

Feng, S. (2020). The Research of the Continuance Intention of students to Use Tourism APP - Based on the TPB Model. E3S Web of Conferences, 214. https://doi.org/10.1051/e3sconf/202021401047

Fujii, S. (2006). Environmental Concern, Attitude Toward Frugality, And Ease Of Behavior As Determinants Of Pro-Environmental Behavior Intentions. Journal of Environmental Psychology, 26(4), 262268. https://doi.org/10.1016/j.jenvp.2006.09.003

Grubor, A., Milicevic, N., & Djokic, N. (2019). Social-psychological determinants of Serbian tourists choice of green rural hotels. Sustainability (Switzerland), 11(23), 113. https://doi.org/10.3390/su11236691

Hidayah, A. N., & Widanti, E. M. (2023). Pengaruh Sikap , Norma Subjektif , dan Kontrol Perilaku terhadap Niat Berwisata Pasca Pandemi Covid-19. 6(2), 279287. https://doi.org/https://doi.org/10.23887/jmpp.v6i2.60035

Ibnou-Laaroussi, S., Rjoub, H., & Wong, W.-K. (2020). Sustainability of Green Tourism among International Tourists and Its Influence on the Achievement of Green Environment: Evidence from North Cyprus. Sustainability, 12(14), 5698. https://doi.org/10.3390/su12145698

Irawan, T., Pramudya, A. H., & Manafe, L. A. (2021). Pengaruh Sikap Konsumen dan Norma Subjektif Terhadap Minat Beli Konsumen Pada Umkm Beveragebee di Sidoarjo. Media Mahardhika, 19(3), 523533. https://doi.org/10.29062/mahardika.v19i3.275

Jung, T., tom Dieck, M. C., Lee, H., & Chung, N. (2020). Relationships among Beliefs, Attitudes, Time Resources, Subjective Norms, and Intentions to Use Wearable Augmented Reality in Art Galleries. Sustainability, 12(20), 8628. https://doi.org/10.3390/su12208628

Musa, A. H., Baharuddin, F. N., Rosle, A. N., Ibrahim, S. S., & Syed Noh, S. N. (2022). The Role of Social Media and Religious Awareness in purchasing decision on Takaful Insurance: A Conceptual Paper. International Journal of Academic Research in Business and Social Sciences, 12(6). https://doi.org/10.6007/IJARBSS/v12-i6/13996

Nemat, B., Razzaghi, M., Bolton, K., & Rousta, K. (2022). Design affordance of plastic food packaging for consumer sorting behavior. Resources, Conservation and Recycling, 177, 105949. https://doi.org/10.1016/j.resconrec.2021.105949

Purwono, Hasyim, F., Ulya, A. U., Purnasari, N., & Juniatmoko, R. (2021). Metodologi Penelitian (Kuantitatif, Kualitatif dan Mix Method). GUEPEDIA.

Safaat, S., Fatimah, N., & Manafe, L. A. (2023). Marketing Strategy To Improve The Competitiveness Of A Chocolate Drink Business In Surabaya. International Journal Of Education, Social Studies, And Management (IJESSM), 3(1), 1327. https://doi.org/10.52121/ijessm.v3i1.135

Sia, A. P., Hungerford, H., & Tomera, A. N. (1986). Selected Predictors of Responsible Environmental Behavior: An Analysis. The Journal of Environmental Education, 17(2), 3140. https://doi.org/10.1080/00958964.1986.9941408

Stratton, S. J. (2021). Population Research: Convenience Sampling Strategies. Prehospital and Disaster Medicine, 36(4), 373374. https://doi.org/10.1017/S1049023X21000649

Togawa, T., Park, J., Ishii, H., & Deng, X. (2019). A Packaging Visual-Gustatory Correspondence Effect: Using Visual Packaging Design to Influence Flavor Perception and Healthy Eating Decisions. Journal of Retailing, 95(4), 204218. https://doi.org/10.1016/j.jretai.2019.11.001

UNWTO. (2022). Impact Assessment Of The COVID-19 Outbreak On International Tourism.

Walker, O., & Mullins, J. (2014). Marketing Strategy: A Decision-Focused Approach, 8th Edition. McGraw Hill.

Walton, J. K. (2023). Tourism | Definition, History, Types, Importance, & Industry | Britannica. In Britannica. https://www.britannica.com/topic/tourism

Zhang, G., Chen, X., Law, R., & Zhang, M. (2020). Sustainability of heritage tourism: A structural perspective from cultural identity and consumption intention. Sustainability (Switzerland), 12(21), 117. https://doi.org/10.3390/su12219199