Ong, C. H., S. M. Salleh, and R. Z. Yusoff. “The Role of Emotional and Rational Trust in Explaining Attitudinal and Behavioral Loyalty: An Insight Into SME Brands”. Gadjah Mada International Journal of Business, Vol. 18, no. 1, Feb. 2016, pp. 1-19, https://jurnal.ugm.ac.id/v3/gamaijb/article/view/15540.