THE EFFICACY OF STRATEGIC INTERVENTION MATERIALS (SIMS) IN TEACHING OCIAL STUDIES AMONG THIRD YEAR HIGH SCHOOL STUDENTS. SHERJ MULTIDISCIPLINARY JOURNAL [Internet]. 2019 Jan. 1 [cited 2026 May 4];6(1):175-87. Available from: https://sherj-smcc.com/index.php/sherj/article/view/370