Halimatus Fatmasari, N. ., Zuhro, D., Sutini, S., Rachmawati, A. and Daeng GS, A. (2026) “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(2), pp. 1440–1457. doi: 10.61160/jomss.v4i2.133.