Memen Kustiawan , Erik Nugraha , Tevi Leviany , Sofyan Iskandar. “Sustainable Competitive Advantages :Conceptual Framework And Determinant”. Migration Letters 20, no. 9 (December 20, 2023): 539–552. Accessed November 21, 2024. https://migrationletters.com/index.php/ml/article/view/10563.