Simbolon, Sahat. “Application of Theory of Reasoned Action in Predicting the Consumer Behavior to Buy the Toyota Avanza Veloz at Pt. Putera Auto Perkasa Medan”. Journal of Asian Scientific Research 5, no. 7 (July 15, 2015): 357–372. Accessed July 3, 2024. https://archive.aessweb.com/index.php/5003/article/view/3736.