De Leon, Florhen B., and Mona-Allea L. Matolo. “The Effect of Blended Learning Instruction Using Simplified Science Module on Students’ Academic Performance”. International Journal of Humanities and Education Development (IJHED), vol. 4, no. 6, Nov. 2022, pp. 67-73, https://doi.org/10.22161/jhed.4.6.6.