Halimatus Fatmasari, Nur, Diana Zuhro, Sutini Sutini, Annisa Rachmawati, and Achmad Daeng GS. “DIFFERENTIAL COST ANALYSIS IN THE DECISION TO MAINTAIN OR DISCONTINUE A PRODUCT. (Case Study at PT. Modern Keramik Jaya in Surabaya)”. Journal of Managerial Sciences and Studies 4, no. 2 (July 7, 2026): 1440–1457. Accessed July 8, 2026. https://jomss.org/index.php/jomss/article/view/133.