Khofi, Mohammad Bilutfikal, and Ahmad Sunoko. “Principal’s Strategies in Developing Student Leadership Competencies Through Service Learning in Elementary Schools”. Journal of Elementary Education Research and Practice 1, no. 2 (April 29, 2025): 63–74. Accessed October 4, 2026. https://ojs.cesmid.org/index.php/jeerp/article/view/10.