Debby Ayu. “Effect of Distribution Channels and Prices on Consumer Loyalty in SPBU SHELL Perbaungan: Effect of Distribution Channels and Prices on Consumer Loyalty in SPBU SHELL Perbaungan”. Journal of Management Science (JMAS) 3, no. 2 (April 1, 2020): 31-37. Accessed January 23, 2022. https://exsys.iocspublisher.org/index.php/JMAS/article/view/47.