P.VENKATA RAO; S.NEELAVENI; P.B PRADEEP KUMAR; P.PUNNA RAO. Adoption Level of Drum Seeder Technology in Rice cultivation. Journal of Agricultural Extension Management, India, v. 16, n. 1, 2015. Disponível em: https://epubs.icar.org.in/index.php/JAEM/article/view/171284. Acesso em: 20 oct. 2025.