Lupano DWJ, Tumbel TM, Walangitan OFC. Pengaruh Promosi Melalui Instagram terhadap Keputusan Pembelian Vape di Area 51 Manado. Product. [Internet]. 2020 Jul. 11 [cited 2024 May 6];1(2):185-92. Available from: https://ejournal.unsrat.ac.id/v3/index.php/productivity/article/view/29339