Datta, R. L. “An Investigation into the Suitability of Golpata Nuts of the Sunderbans for the Manufacture of Buttons”. Indian Forester 54, no. 5 (April 30, 1928): 302–304. Accessed December 28, 2025. https://indianforester.co.in/index.php/indianforester/article/view/19395.