Tampubolon, Sahlan, Nenni Triana Sinaga*, and Febrika Dwi Lestari Lumbantoruan. 2021. “THE SOCIALIZATION OF CLASSROOM ACTION RESEARCH FOR THE TEACHERS OF BERINGIN BANGUN PURBA VACATIONAL SCHOOL IN PANDEMIC SITUATION”. Jurnal Abdimas Mutiara 2 (2):75-82. https://e-journal.sari-mutiara.ac.id/index.php/JAM/article/view/2178.