Mamoria, C. B. creator Tripathi, Badri Bishal xxu Allahabad Kitab Mahal 2007 1st ed eng xvi, 896 p. ill. 24 cm. by C. B. Mamoria and Badri Bishal Tripathi Includes bibliographial references and index Agriculture problems India 631.0954 818122500919 ENG-84911 D. B. Act / pub 080820