P.N. JHA AND H.N. JANI. In-service Training Need Hierarchy of Village Level Workers in the New strategy of Agricultural Production. Indian Journal of Extension Education, India, v. 13, n. 1-2, p. 57–60, 1977. DOI: 10.48165/. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/160817. Acesso em: 15 jul. 2026.