Qomaria, Nur. “Teachers’ Perception Towards The Use of Tarsia Puzzle to Create Joyful Learning of Mathematics”. Vygotsky: Jurnal Pendidikan Matematika dan Matematika 3, no. 1 (February 28, 2021): 13–24. Accessed April 29, 2024. http://jurnalpendidikan.unisla.ac.id/index.php/VoJ/article/view/347.