“Integrating Education for Sustainable Development into Problem-Based Learning: Its Effects on Critical Thinking and Communication Skills”. Jurnal Inovasi Pendidikan Sains dan Terapan (INTERN ) 5, no. 1 (April 30, 2026): 55–64. Accessed June 17, 2026. https://jurnal.politap.ac.id/index.php/intern/article/view/2198.