Salviejo, E. I. ., Aranes, F. Q. . and Espinosa, A. A. . (2014) “Strategic Intervention Material-Based Instruction, Learning Approach and Students‘ Performance in Chemistry”, International Journal of Learning, Teaching and Educational Research, 2(1), pp. 91–123. Available at: http://www.ijlter.net/index.php/ijlter/article/view/1216 (Accessed: 19 April 2026).