S. TRIVENI and T.L. NEELIMA, G.K.R.S.S.G.J.S.H. (2022) “SOIL FERTILITY MAPPING OF PATANCHERU AREA, SANGA REDDY DISTRICT TELANGANA BY USING GPS-GIS”, The Journal of Research, PJTSAU, 49(4). Available at: https://epubs.icar.org.in/index.php/TJRP/article/view/123206 (Accessed: 26 July 2026).