Hidayati, Nuril, Ardian Anjar Pangestuti, and Trio Ageng Prayitno. 2019. “Edmodo Mobile: Developing E-Module Biology Cell for Online Learning Community”. Biosfer: Jurnal Pendidikan Biologi 12 (1):94-108. https://doi.org/10.21009/biosferjpb.v12n1.94-108.