Putra, L.D. and Susanto, E.H. 2019. Pengaruh Marketing Mix 4P dan Perceived Quality Terhadap Purchase Decision Smartphone Vivo. Jurnal Manajemen Bisnis dan Kewirausahaan. 3, 6 (Nov. 2019), 77–82. DOI:https://doi.org/10.24912/jmbk.v3i6.6101.