Khodijah, Siti, Asro, Rachmat Agus Santoso, Nenda Marliani, and Asto Purwanto. “Raw Material Cost Optimization A Systematic Review of Budgeting Practices in The Manufacturing Sector”. Cirebon Annual Multidiciplinary International Conference (CAMIC) (May 3, 2025): 134–139. Accessed July 29, 2025. https://jurnal.ugj.ac.id/index.php/camic/article/view/10153.