Pelemeniano, A.P. and Siega, M.H. 2023. Integrating Mathematical Modeling of Real-Life Problems: A Contextualized Approach to Developing Instructional Material in Basic Calculus. International Journal of Membrane Science and Technology. 10, 3 (Jul. 2023), 149-163. DOI:https://doi.org/10.15379/ijmst.v10i3.1498.