MAMORIA (C.B) / TRIPATHI (B.B), . (2005). Agricultural Problems of india. : Kitab Mahal NEW DELHI , Allahabad.
MAMORIA (C.B) / TRIPATHI (B.B), . 2005. Agricultural Problems of india. : Kitab Mahal NEW DELHI , Allahabad.
MAMORIA (C.B) / TRIPATHI (B.B), . Agricultural Problems of india. : Kitab Mahal NEW DELHI , Allahabad. 2005.