Source: https://www.researchgate.net/publication/339518343_Peluang_Revolusi_Industri_40_Bidang_Pemasaran_Pemanfaatan_Aplikasi_E-commerce_Sosial_Media_Instagram_dan_Digital_Marketing_terhadap_keputusan_Instant_Online_Buying_Konsumen_Generasi_Millenial/fulltext/5e573ee8a6fdccbeba057df6/Peluang-Revolusi-Industri-40-Bidang-Pemasaran-Pemanfaatan-Aplikasi-E-commerce-Sosial-Media-Instagram-dan-Digital-Marketing-terhadap-keputusan-Instant-Online-Buying-Konsumen-Generasi-Millenial.pdf