Akpan U-OE, Ekim RED, Archibong DE. EFFECT OF JIGSAW TEACHING METHOD ON QUADRATIC EQUATIONS ACADEMIC ACHIEVEMENT AND RETENTION IN SECONDARY SCHOOLS IN ORUK ANAM LOCAL GOVERNMENT AREA. IJCARN [Internet]. 2025 Dec. 30 [cited 2026 Sep. 25];3(2). Available from: https://journals.iapaar.com/index.php/ijcarn/article/view/279