Hariberthus W. EFFECTIVENESS OF GROUP CONCELING WITH TECHNIQUES ASSERTIVE TRAINING TO IMPROVE CONFIDENCE IN STUDENTS IN SMP NEGERI 2 SONGGON. SJIIPS [Internet]. 2020May7 [cited 2024May19];9(1):32-9. Available from: https://ejournal.unibabwi.ac.id/index.php/sosioedukasi/article/view/901