Ginting, Murni, Debby Indah, and Hendri Mulyadi. 2020. “IMPROVEMENT OF LEARNING OUTCOMES OF CERTIFICATE USING THE VERSION TRAINING METHOD OF SDN 012 TANDUN”. TA’LIM JOURNAL : Journal of Educational Sciences and Teacher Training 8 (2), 104-10. http://ejournal.stkipaisyiyahriau.ac.id/index.php/talim/article/view/237.