Riyanti , R., Cahyono, E., Haryani, S., & Naini Mindyarto, B. (2022). The Analysis Of Test Instrument And The Leaners’ Responses On Acidity Material With The Uses From Environment As The Learning Source . International Conference on Science, Education, and Technology, 8(1), 428–434. Retrieved from https://proceeding.unnes.ac.id/ISET/article/view/1786