Hanif Batubara I, Wisada Dachi S, Wahyuni S. Peningkatan Kualitas Pengajaran Melalui Software Geogebra. widyabhakti [Internet]. 2019Jul.9 [cited 2024Apr.26];1(3):1-6. Available from: https://widyabhakti.stikom-bali.ac.id/index.php/widyabhakti/article/view/95