Oyovwi EO, Ijeh SB, Obro S. Strategy That Suits Students’ Retention in Mathematics Curriculum Concepts: Assessment-Supported or Lecture Method. International Journal of Instruction [Internet]. 2026 Apr. 1 [cited 2026 Apr. 5];19(2):443-56. Available from: https://e-iji.net/ats/index.php/pub/article/view/909