Aulia, Norheni, and Surawan Surawan. “Joyful Learning As a Method in Improving Students’ Self-Efficacy in the Learning Process of Islamic Education at SMPN 2 Palangka Raya”. IJIEL: Indonesian Journal of Islamic Education and Learning, vol. 1, no. 1, Aug. 2024, pp. 9-21, https://ijiel.intakepustaka.com/index.php/ijiel/article/view/4.