S. KALAVATHI, M. SANDHYA AND SHENOY. The Relative Cost - Effectiveness and Constraints in Adoption of Rice - Fish Farming Systems in Kerala - an Analysis. Indian Journal of Extension Education, India, v. 33, n. 3-4, p. 146–149, 2024. DOI: 10.48165/. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/161394. Acesso em: 15 jul. 2026.