Dr. Hejratullah Adil. “Assessing the Impact of Internal Marketing on Sustainable Competitive Advantage: A Case of Kabul-Based Health Sector of Afghanistan”. Khurasan University Business Administration Journal 1, no. 2 (October 30, 2024). Accessed May 18, 2026. https://krj.khurasan.edu.af/index.php/files/article/view/20.