Untu, Victoria N., and Maria V. Tielung. “MARKETING MIX EFFECT ON CUSTOMER SATISFACTION ON THE TOURISM IN TOMOHON CITY”. International Journal of Research -GRANTHAALAYAH 9, no. 1 (January 22, 2021): 25–36. Accessed April 20, 2024. https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/IJRG21_A01_5006.