Puspasari, D., and A. Saodah. “DETERMINING COGS BASED ON CHANGES IN RAW MATERIAL PRICES IN THE RO HEMAT JAYA CRACKERS BUSINESS PURWAKARTA”. Journal of Management, vol. 3, no. 2, Oct. 2024, pp. 613-31, https://myjournal.or.id/index.php/JOM/article/view/247.