Manurung, H.M. and Manurung, S. 2023. Implementation Of Additive Chemistry E-Modules Using the Discovery Learning Model on Student Learning Outcomes on Food Coloring Materials . Jurnal Penelitian Pendidikan IPA. 9, 5 (May 2023), 2472–2477. DOI:https://doi.org/10.29303/jppipa.v9i5.3386.