M.V.S. Naidu, U. Vedadri. “Characterization, Classification and Evaluation of Soils in Semi-Arid Ecosystem of Chillakur Mandal in SPSR Nellore District of Andhra Pradesh”. Journal of the Indian Society of Soil Science, vol. 66, no. 1, June 2018, https://epubs.icar.org.in/index.php/JISSS/article/view/80694.