Velankar, Makarand, Sneha Thombre, and Harshad Wadkar. “A Systematic Problem Validation Framework for Startups and Entrepreneurs”. AMC Indian Journal of Entrepreneurship 5, no. 4 (December 1, 2022): 8–18. Accessed August 30, 2025. https://indianjournalofmarketing.com/index.php/IJOE/article/view/172626.