Nurvitasari S, Yerizon Y. Pengaruh Penerapan Model Discovery Learning Terhadap Hasil Belajar Matematika Peserta Didik Kelas VIII SMPN 13 Padang. RRJ [Internet]. 2019Aug.14 [cited 2024May5];1(4):1114 -21. Available from: https://jurnal.ranahresearch.com/index.php/R2J/article/view/178