Tolymat, Ahmed Raafat, Rasha Abdelaziz, Mohamed Abdel Salam, and Ayman Shawky. “Entrepreneurial Elements of Activity for Value-Based Selling -A Product Centric Perspective Model”. Journal of Entrepreneurship and Project Management 8, no. 1 (June 20, 2023): 64–91. Accessed June 1, 2024. https://carijournals.org/journals/index.php/JEPM/article/view/1311.