GURJAR, Bholuram; SAHOO, P. K.; KUMAR, Adarsh. Design and Development of Variable Rate Metering System for Fertilizer Application. Journal of Agricultural Engineering, India, v. 54, n. 3, 2018. Disponível em: https://epubs.icar.org.in/index.php/JAE/article/view/78964. Acesso em: 6 jun. 2026.