fitriani, mahfudhotin, and dhiya’u shidiqy. “PRODUCTION COSTS AND COST OF GOODS SOLD AS DETERMINANTS OF NET PROFIT: EMPIRICAL EVIDENCE FROM PULP AND PAPER MANUFACTURING COMPANIES ON THE IDX”. OECONOMICUS Journal of Economics 10, no. 2 (August 10, 2026). Accessed August 10, 2026. https://jurnalfebi.uinsa.ac.id/index.php/oje/article/view/2229.