THE INCREASING SELF-CONFIDENCE THROUGH ASSERTIVE TRAINING FOR CLASS IV A STUDENTS AT SDN 02 KARANGPANDAN IN SEMESTER 2 OF THE SCHOOL YEAR 2021/2022. inovasi, pendidikan. 2025;1(2):78-89. Accessed October 12, 2026. https://ejurnal.unisri.ac.id/index.php/jppg/article/view/12084