Integrating Religious Values and Modern Quality Standards: A Multi-Site Inquiry into SDG 4 Achievement in Pesantren-Based Schools. J. Curr. Stud. SDGs [Internet]. 2026 Jul. 5 [cited 2026 Jul. 9];2(4):273. Available from: https://journal.i-ros.org/index.php/JOCSIS/article/view/273