BHUMIREDDY CHANDHANA; G. D. S. KUMAR; R. S. SENGAR. Development of Test and Measurement of Knowledge Level of Sunflower Farmers. Indian Journal of Extension Education, India, v. 58, n. 4, p. 81–85, 2022. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/128442. Acesso em: 25 jun. 2026.