Putri, Yuni Adinda, Didik Susetyo, Muchsin Saggaff Shihab, and Isnurhadi. “The Impact of Trade-Ins and Celebrity Endorser on Samsung Smartphone Purchase Decisions Mediation Variables of Altruism in Generation Z of University in Palembang City”. Migration Letters 21, no. 3 (January 17, 2024): 479–486. Accessed July 22, 2024. https://migrationletters.com/index.php/ml/article/view/6657.