Rejeki, Rejeki, Abdul Putra Ginda Hasibuan, & Rinja Efendi.
" APPLICATION OF THE PROBLEM LEARNING MODELBASED INTRUCTION (PBI) TO IMPROVE RESULTS LEARNING STUDENTS CLASS V SD NEGERI 009 KEPENUHAN." <em>JURNAL PENDIDIKAN ROKANIA</em> [Online], 6.2 (2021): 250 - 261. Web. 19 Apr. 2024