Ayu Yarmayani. “EVALUATION OF STUDENTS CONCEPTUAL UNDERSTANDING IN THE COURSE MULTIPLE VARIABLE CALCULUS”. Multidisciplinary Indonesian Center Journal (MICJO) 3, no. 1 (January 31, 2026): 1272–1281. Accessed February 2, 2026. https://e-jurnal.jurnalcenter.com/index.php/micjo/article/view/2183.