[1]
Verawati, A., Agustito, D., Pusporini, W., Utami, W. and Widodo, S. 2022. Designing Android learning media to improve problem-solving skills of ratio. Advances in Mobile Learning Educational Research. 2, 1 (Jan. 2022), 216-224. DOI:https://doi.org/10.25082/AMLER.2022.01.005.