Jerusha Philip Danjuma and Mangut Mankilik. EFFECTS OF DEMONSTRATION STRATEGY ON SENIOR SECONDARY SCHOOL STUDENTS’ RETENTION AND ACHIEVEMENT IN CHEMISTRY IN TARABA STATE, NIGERIA . bwjournal [Internet]. 2022 Jun. 8 [cited 2026 Oct. 4];1(1):11. Available from: https://bwjournal.org/index.php/bsjournal/article/view/624