ISTANTI, Enny. EFFECT OF E-COMMERCE, PUBLIC RELATIONS AND CUSTOMER RELATIONSHIP MANAGEMENT ON PURCHASE DECISIONS (CASE STUDY OF OPPO BRAND SMARTPHONE USERS IN WTC SURABAYA). International Journal of Economics, Business and Accounting Research (IJEBAR), [S. l.], v. 5, n. 3, p. 2952–2961, 2021. DOI: 10.29040/ijebar.v5i3.3285. Disponível em: https://www.jurnal.stie-aas.ac.id/index.php/IJEBAR/article/view/3285. Acesso em: 1 jul. 2025.