GOUTHAM CHAND, K; SIDHENDRA, M; MOHAMMED ALI HUSSAIN, Dr. Soil nutrient measurement in paddy farming using IoT. International Journal of Engineering and Technology, [S. l.], v. 7, n. 2.7, p. 356–358, 2018. DOI: 10.14419/ijet.v7i2.7.10718. Disponível em: https://sciencepubco.com/index.php/IJET/article/view/10718.. Acesso em: 28 apr. 2025.