Shankariah Chamala, A.W. van den Ban and Niels Roling. A New look At Adopter Categories and an Alternative Proposal For Target Grouping of Farming Community. Indian J Ext Edu [Internet]. 1980 Jun. 30 [cited 2026 Jun. 5];16(1-2):1-18. Available from: https://epubs.icar.org.in/index.php/IJEE/article/view/161080