Rusmiaty, Evi, Helmia Tasti Adri, and Annisa Mawardini. 2020. “Development of Science Learning Media Monsains (Science Monopoly) In Human Ingestion System Materials For Elementary School”. Indonesian Journal of Social Research (IJSR) 2 (3), 218-23. https://doi.org/10.30997/ijsr.v2i3.67.