Iamratanakul, Supachart, and Ratchanok Supanit. “Factors Influencing Smartphones Brand Choices of Consumer in Bangkok”. Rajapark Journal 13, no. 28 (March 15, 2019): 56–67. Accessed May 3, 2024. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/173383.