Fitriyah, I.J., Andik, A.W.M. and Septi, S.A. 2025. Development of an E-module on the Material of Substance Pressure and Its Use in Daily Life, Based on Science Process Skills . IJCER (International Journal of Chemistry Education Research). 9, 1 (Apr. 2025), 42–50. DOI:https://doi.org/10.20885/ijcer.vol9.iss1.art5.