Hartadi NP, Ardia V. The Effect of Viral Marketing “Oreo X Blackpink” On Oreo Customer Loyalty (Survey on Instagram Followers @oreo_indonesia). JECS [Internet]. 2023 Jul. 22 [cited 2024 Nov. 15];2(1):162-7. Available from: https://jurnal.litnuspublisher.com/index.php/jecs/article/view/110