alya, triandini, and Muhammad Irwan Padli Nasution. “ONLINE ORDER INFORMATION SYSTEM USING WHATSAPP APPLICATION IN ISAL COOKIES BUSINESS”. JEBS (Journal of Economic and Business Student) 1, no. 3 (May 15, 2023): 8-12. Accessed July 5, 2025. https://journal.piksi.ac.id/index.php/jebs/article/view/934.