Sah, Kishan, Suresh Kumar Sahani, and Kameshwar Sahani. 2024. “The Hidden Flow: Unraveling Invisible Inputs in a Nation’s Economic Machine”. CENTRAL ASIAN JOURNAL OF MATHEMATICAL THEORY AND COMPUTER SCIENCES 5 (4):421-33. https://cajmtcs.casjournal.org/index.php/CAJMTCS/article/view/676.