Faradiba, V. R. and Sukmono, T. (2026) “EOQ Application Reduces PAC Inventory Cost in Water Treatment: Penerapan EOQ Mengurangi Biaya Persediaan PAC dalam Pengolahan Air”, Indonesian Journal of Innovation Studies, 26(4), p. 10.21070/ijins.v26i4.2120. doi: 10.21070/ijins.v26i4.2120.