Alexandra, A.D. et al. 2023. Design of a Culinary Information System at Piksi Ganesha Polytechnic Using the Waterfall Method. Jurnal Penelitian Pendidikan IPA. 9, SpecialIssue (Dec. 2023), 759–765. DOI:https://doi.org/10.29303/jppipa.v9iSpecialIssue.6274.