Alya Zulfa Cahyani, Elvina, Agus Rahmat Hermawanto, Novrihan Leily Nasution. Analysis Price and Promotion of Customer Loyalty in Modern Retail Shopping Centers in The Pandemic Time Covid-19 Through The Purchase Decision Strategy as Moderation . IJBTOB [Internet]. 2021 Feb. 22 [cited 2024 Sep. 8];1(1):35-46. Available from: https://ijbtob.org/index.php/ijbtob/article/view/5