Simbolon, S. 2015. 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, 7 (Jul. 2015), 357–372. DOI:https://doi.org/10.18488/journal.2/2015.5.7/2.7.357.372.