Naina Goyal. “Gravity Model and International Trade: Importance of Determinants of India’s Gems and Jewellery Exports (2000-01 to 2023-24)”. European Economic Letters (EEL) 15, no. 2 (June 12, 2025): 4090–4100. Accessed July 31, 2026. https://www.eelet.org.uk/index.php/journal/article/view/3246.