เลิศเลาห์กุล กัณวัฒน์. “Product Factors Influencing Consumers’ Buying Behavior of Frozen Food in Bangkok”. Siam University Journal of Business Administration 15, no. 24 (March 27, 2022): 1–9. accessed August 13, 2025. https://so07.tci-thaijo.org/index.php/sujba/article/view/825.