Alwi Sofyan et al. 2020. PENGENALAN ONLINE BUSINESS MARKETING MELALUI MEDIA SMARTPHONE DI DESA PATIMUAN. Jurnal Pengabdian Masyarakat Nusantara. 2, 4 (Dec. 2020), 6–11. DOI:https://doi.org/10.57214/pengabmas.v2i4.245.