Engr Nisar Ahmed creator text Islamabad Higher Education Commision 2008 1st monographic Engr Nisar Ahmed 0 0 0 631_580000000000000_NIS 0 0 0 631_580000000000000_NIS 0 0 0 631_580000000000000_NIS 0 0 0 631_580000000000000_NIS 0 0 0 631_580000000000000_NIS 0 0 0 631_580000000000000_NIS 0 0 0 631_580000000000000_NIS 0 0 0 631_580000000000000_NIS 0 0 0 631_580000000000000_NIS 0 0 0 631_580000000000000_NIS 0 0 0 631_580000000000000_NIS 0 0 0 631_580000000000000_NIS 0 0 0 631_580000000000000_NIS 0 0 0 631_587000000000000_NIS 0 0 0 631_587000000000000_NIS 0 0 0 631_587000000000000_NIS 0 0 0 631_587000000000000_NIS 0 0 0 631_587000000000000_NIS 631.58 NIS 9789694171371