Nainggolan, Devi Julietta, Judi Alhilman, Nurdinintya Athari Supratman, Hilyatun Nuha, and Putu Eka Dewi Karunia Wati. “Money Back Warranty on Pricing in Dual Channel Supply Chain (Case Study : Garlick Store Surabaya)”. International Journal of Innovation in Enterprise System 2, no. 1 (January 31, 2018): 19–25. Accessed September 10, 2025. https://ijies.telkomuniversity.ac.id/index.php/IJIES/article/view/13.