Rusmiaty, E., H. T. Adri, and A. Mawardini. “Development of Science Learning Media Monsains (Science Monopoly) In Human Ingestion System Materials For Elementary School”. Indonesian Journal of Social Research (IJSR), Vol. 2, no. 3, Dec. 2020, pp. 218-23, doi:10.30997/ijsr.v2i3.67.