KOSHY, S. M.; KISHORE KUMAR, N. A Scale to Measure the Attitude of farmers towards Kisan Call Centre. Journal of Extension Education, [S. l.], v. 27, n. 4, 2016. Disponível em: https://www.extensioneducation.org/index.php/jee/article/view/41. Acesso em: 19 may. 2022.