Maskar S, Dewi P. Praktikalitas dan Efektifitas Bahan Ajar Kalkulus Berbasis Daring Berbantuan Geogebra. cendekia [Internet]. 4Oct.2020 [cited 20Apr.2025];4(2):888-99. Available from: https://j-cup.org/index.php/cendekia/article/view/326