Puspasari, Ayu Erika. “Penerapan Model Problem Based Learning Berbantuan Geogebra Classroom Untuk Meningkatkan Motivasi Belajar Peserta Didik”. Jurnal Profesi Pendidikan 1, no. 2 (December 24, 2022): 165–171. Accessed May 1, 2024. https://journal.ikipsiliwangi.ac.id/index.php/jpp/article/view/14931.