Basuki, Agus, and Raini Retno Wulansari. “The Effectiveness of the Group Tutoring Service Model Based on ‘Ngapak’ Cultural Listing to Increase Character Values in Students at SD Negeri 2 Purbalingga Lor”. Jurnal Prima Edukasia 12, no. 2 (July 31, 2024): 264–271. Accessed May 26, 2025. https://journal.uny.ac.id/index.php/jpe/article/view/72665.