Agustang A, Wati UA, Kartika LN. Problem-based learning worksheet integrating Islamic values to facilitate elementary students’ critical thinking in natural and social sciences. JPIP [Internet]. 2025 Nov. 30 [cited 2026 Feb. 12];18(2):169-80. Available from: https://jurnal.uny.ac.id/index.php/jpip/article/view/92019