HARIYANA, Nanik, Nuruni Ika Kusuma WARDANI, and Nabilah Amani SALSABILA. “Discounts and Promotions On Purchase Decision”. International Journal of Environmental, Sustainability, and Social Science 2, no. 2 (July 31, 2021): 63–70. Accessed June 6, 2026. https://staging.journalkeberlanjutan.com/index.php/ijesss/article/view/73.