Salami FO, A G, A.D A, S. I. EFFECTS OF JIGSAW TEACHING STRATEGY ON PERFORMANCE AND MOTIVATION IN SOCIAL STUDIES AMONG UPPER BASIC II STUDENTS IN PLATEAU STATE, NIGERIA. bj [Internet]. 2026 Apr. 26 [cited 2026 Apr. 27];. Available from: https://bwjournal.org/index.php/bsjournal/article/view/3978