A. Sarangi and A.K. Mishra, A.A. Mustafa, Man Singh, Nayan Ahmed R.N Sahoo, Manoj Khanna. 2017. “Soil Suitability Analysis for Crop Planning in Kheragarah Tehsil of Agra District, Uttar Pradesh”. Journal of the Indian Society of Soil Science 64 (4). https://epubs.icar.org.in/index.php/JISSS/article/view/69027.