Lussianda, Erfa Okta, and Munawir Munawir. “Promotion Strategy on Decisions on Using J&T Express Services, Pekanbaru”. International Journal of Management Science and Information Technology 1, no. 1 (January 15, 2021): 17–20. Accessed May 28, 2026. https://journal.lembagakita.com/ijmsit/article/view/229.