K.V. RAMANA, K.V. NAGAMADHURI, A. PRATAP KUMAR REDDY, P. SUDHAKAR AND T. GIRIDHARA KR, G. Sashikala, M.V.S. Naidu*,. Mapping of Nutrients Status in Tatrakallu Village of Anantapuramu District of Andhra Pradesh using Geographic Information System. Journal of the Indian Society of Soil Science, India, v. 69, n. 2, 2021. Disponível em: https://epubs.icar.org.in/index.php/JISSS/article/view/113338. Acesso em: 5 jun. 2026.