Principles of Agronomy - T. Yellamanda Reddy; G.H Sankara Reddi (Ludhiana Kalyani Publishers, 1992)
T. Yellamanda Reddy & G.H Sankara Reddi: Principles of Agronomy. Ludhiana. Kalyani Publishers, 1992. 81-272-0282-7--(630RED)
ENGLISH