00291nam a2200109 a 450000500170000002000150001708200160003210000240004824500440007226000450011630000200016120251203110053.0  a8170189675  a338.16bAZA  aAzam, Syed Farooque  aIrrigation and agricultural development  aDelhibB.R. Publishing Corporationc1998  axxi,234p.c22cm