Source: https://www.researchgate.net/profile/Dyah_Sugandini2/publication/336990198_PEMASARAN_DIGITAL_ADOPSI_MEDIA_SOSIAL_PADA_UKM/links/5dbde0a4a6fdcc2128fdccd8/PEMASARAN-DIGITAL-ADOPSI-MEDIA-SOSIAL-PADA-UKM.pdf