Stanley (PhD) M, Kauna S. COMPARATIVE EFFECTS OF JIGSAW AND CONCEPT-MAPPING PEDAGOGIES ON STUDENTS ACHIEVEMENT IN BIOLOGY IN TARABA STATE, NIGERIA. bwjournal [Internet]. 2025 May 23 [cited 2026 Sep. 12];2. Available from: https://www.bwjournal.org/index.php/bsjournal/article/view/3008