Opara , Mary Felicia. “ Piagetian 5E Model and Students’ Interest in Chemistry: Facing the Challenges of Global Competitiveness ”. African Journal of Education,Science and Technology (AJEST) 1, no. 1 (August 9, 2013): Pg 100–114. Accessed May 18, 2026. https://ajest.org/index.php/ajest/article/view/301.