Rejeki, Rejeki, 		Hasibuan, Abdul Putra, AND 		Efendi, Rinja.
" 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], Volume 6 Number 2 (31 July 2021)