Layek, Nityananda, Gobinda Mula, Ashutosh Sarkar, and Bidhan Roy. 2021. “Economics of Mustard Seed Production - An Analytical Study from Terai Zone of West Bengal”. Indian Journal of Extension Education 57 (2):78-85. https://epubs.icar.org.in/index.php/IJEE/article/view/111681.