00426nam a2200157Ia 450000100060000000300090000600500170001500800410003204000130007308200230008610000180010924500430012726000810017030000100025154600070026131072PK-LaUMT20220923123341.0140416s9999    xx            000 0 und d  cPK-LaUMT  aW 630.95491bSAN-S  aSandhu, G. R.  aSustainable agriculturecSandhu, G. R.  aKarachi,Pakistan:bWnvironment & Urban Affairs Division, Govt. of Pak,c1993  a45 p.  aEN