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Lua i Stíl Chicago (17ú heag.)Pakistan. Water and Power Development Authority agus Zahir Ahmad Piracha. Experimental Buried Pipe Water Distribution System: An Interim Report. Bhalwal: Mona Reclamation Experimental Project, P. & I. Organization, 1989.
Lua MLA (8ú heag.)Pakistan. Water and Power Development Authority agus Zahir Ahmad Piracha. Experimental Buried Pipe Water Distribution System: An Interim Report. Mona Reclamation Experimental Project, P. & I. Organization, 1989.
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