Sadiyah, Nurus, Wantini Wantini, Suyadi Suyadi, Djamaluddin Perawironegoro, and Yusutria Yusutria. 2026. “Development of a Hijaiyyah Letter Card Sort to Enhance Student’s Understanding Nun Sukun and Tanwin Rules at SMP Islam Al Azhar 26 Yogyakarta”. Journal of Indonesian Progressive Education 3 (2):370-77. https://doi.org/10.63617/jipe.v3i2.249.