A.K. Rai, S. Khajuria, Kanak Lata, Rajkumar and J.K. Jadav. (2018). Study on Yield Gap and Prioritization of Castor production Constraints for semi-arid regionin Gujarat. Indian Journal of Extension Education, 54(2), 162-167. https://epubs.icar.org.in/index.php/IJEE/article/view/143754