Nugroho, A., 		Khoirul Umam, N., & 		Diyana Manzila, L.
2021 Dec 22.  ABDROID-BASED “PAHINDHAIS” MEDIA DEVELOPMENT FOR FOURTH-GRADE ELEMENTARY SCHOOL STUDENT.. Journal Universitas Muhammadiyah Gresik Engineering, Social Science, and Health International Conference (UMGESHIC). [Online] 1:2