Hendrawan, P. S., Yolandri, D., Sebastian, V. J. . ., Nicholas, H., Hutagalung, R. I., & Monica, T. S. (2025). The effect of price and product promotion on customer loyalty in a digital market context . Journal of Engineering and High Technology, 1(1), 1–19. Retrieved from https://journal.privietlab.org/index.php/JEHT/article/view/25