Lestiana, Herani, and Dian Nataria Oktaviani. “Supporting College Students’ Understanding of Integral by Using Maple-Integrated Workbook”. Unnes Journal of Mathematics Education 8, no. 2 (September 1, 2019): 75-80. Accessed December 21, 2024. https://journal.unnes.ac.id/sju/ujme/article/view/31971.