et. al., Irma Nilasari,. “The Effect of Country of Origin and Brand Credibility on Purchase Intention of Oppo Smartphone in Indonesia”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 8 (April 24, 2021): 881–888. Accessed May 8, 2024. https://turcomat.org/index.php/turkbilmat/article/view/2924.