Purbasari, A., Gusdya, W., Mulyanto, F., & Nurlatifah, V. F. (2021). Application of the Open Data Kit for Data Collection Presence of Primary School Teachers. IAIC Transactions on Sustainable Digital Innovation (ITSDI), 2(2), 158–168. https://doi.org/10.34306/itsdi.v2i2.409