Sholikhah, Miftakhus, and Hartono Hartono. “PERBANDINGAN KEEFEKTIFAN ANTARA PROBLEM-BASED LEARNING SETTING NUMBERED HEAD TOGETHER DAN SETTING JIGSAW”. Jurnal Riset Pendidikan Matematika 2, no. 1 (May 1, 2015): 63–77. Accessed June 8, 2025. https://jurnal.uny.ac.id/index.php/jrpm/article/view/7151.