Apriani, An-Nisa, Indah Perdana Sari, Ahmad Salim, Harun ., and Wuri Wuryandani. “Developing an Assessment Instrument for Character Education Reinforcement (PPK) of Upper-Class Students of Elementary School”. KnE Social Sciences 8, no. 8 (May 16, 2023): 23–34. Accessed December 22, 2024. https://knepublishing.com/index.php/KnE-Social/article/view/13281.