ACHIEVEMENT MOTIVATION AND SELF-CONCEPT AS CORRELATES OF INTEREST AND ACADEMIC ACHIEVEMENT IN MATHEMATICS AMONG SENIOR SECONDARY SCHOOL STUDENTS IN ANAMBRA STATE. JSER [Internet]. 2026 Jul. 7 [cited 2026 Jul. 10];8(1):50-69. Available from: https://jserpublications.org/index.php/jser/article/view/43