SUNDAS MAJEED; MUBASHRA TAYYABA; ZESHAN HAIDER; SAQIB RAZA. EFFECT OF PROBLEM-BASED LEARNING ON STUDENTS’ METACOGNITION AND ACADEMIC ACHIEVEMENT IN SECONDARY LEVEL CHEMISTRY. International Journal of Contemporary Issues in Social Sciences, [S. l.], v. 3, n. 2, p. 3515–3519, 2024. Disponível em: https://ijciss.org/index.php/ijciss/article/view/1117. Acesso em: 21 nov. 2024.