N. Venkateshwar Rao, P.K. Jain , M. Jagan Mohan Reddy and N. Kishor Kumar. Knowledge Mapping on Maize (Zea mays L) Production Technologies by The Farmers of Karimnagar District in Telangana State. Indian J Ext Edu. 2017;53(4):71-74. Accessed November 3, 2025. https://epubs.icar.org.in/index.php/IJEE/article/view/144040