Tualeka, Safarudin Hisyam. “Multi-Brand Virtual Restaurant: Cloud Kitchen Business Model (Case Study of PT. Sagala)”. Management Studies and Entrepreneurship Journal (MSEJ) 5, no. 2 (November 19, 2024): 4921–4931. Accessed July 4, 2025. https://journal.yrpipku.com/index.php/msej/article/view/4770.