Quoquab, Farzana, Nor Liza Abdullah, and Jihad Mohammad. 2016. “Investigating the Effects of Consumer Innovativeness, Service Quality and Service Switching Costs on Service Loyalty in the Mobile Phone Service Context”. Gadjah Mada International Journal of Business 18 (1), 21-53. https://dev.journal.ugm.ac.id/v3/gamaijb/article/view/15542.