A.S. SANDHU AND T.S. SOHAL. Procedures Being Followed in Planning Agricultural Extension Programme at Block Level in Punjab. Indian Journal of Extension Education, India, v. 2, n. 1&2, p. 66–71, 1966. DOI: 10.48165/. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/159649. Acesso em: 15 jul. 2026.