Nainggolan, D. J., Alhilman, J., Supratman, N. A., Nuha, H., & Karunia Wati, P. E. D. (2018). Money Back Warranty on Pricing in Dual Channel Supply Chain (Case Study : Garlick Store Surabaya). International Journal of Innovation in Enterprise System, 2(1), 19–25. Retrieved from https://ijies.telkomuniversity.ac.id/index.php/IJIES/article/view/13