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Biotechnology policy and action plan for economic development in third world /

By Sawahel, Wagdy A.. New Delhi : Daya Publishing House , 1997 . viii,196p. ;

By Sawahel, Wagdy A... New Delhi : Daya Publishing House , 1997 . viii,196p. ;

By Sawahel, Wagdy A.. New Delhi : Daya Publishing House , 1997 . viii,313p. ;

By Sawahel, Wagdy.. New Delhi : Daya Publishing , 1997 . xv,596p. ;