Utami, Christina Whidya. “Analysis of Emotion, Habit, and Rational Choice: A Study on Consumer Behavior”. International Research Journal of Business Studies 4, no. 2 (August 1, 2011): 121–135. Accessed December 4, 2025. https://irjbs.prasetiyamulya.ac.id/index.php/jurnalirjbs/article/view/808.