Helen. K.S., Premlata Singh, Vijayaragvan. K. Constraints of Linkages Among University Research-Extension and Farmers in India and Ethiopia : A Critical Analysis. Indian J Ext Edu. 2022;46(3&4):85-89. Accessed July 15, 2026. https://epubs.icar.org.in/index.php/IJEE/article/view/125682