Rahmana, A., Rohmat , F.N. and WB, B.Y. (2022) “ANALYSIS OF AGGREGATE PRODUCTION PLAN FOR MINIMIZING COST OF COAL PRODUCTION AT PT XYZ”, CENTRAL ASIA AND THE CAUCASUS, 23(1), pp. 4184–4190. Available at: https://ca-c.org/index.php/cac/article/view/413 (Accessed: 12 June 2025).