QASIM, S. R. (1985). Wastewater Treatment Plants Planning Design And Operation Syed R. Qasim. CBS College Publishing.
Dyfyniad Arddull ChicagoQASIM, Syed R. Wastewater Treatment Plants Planning Design And Operation Syed R. Qasim. CBS College Publishing, 1985.
Dyfyniad MLAQASIM, Syed R. Wastewater Treatment Plants Planning Design And Operation Syed R. Qasim. CBS College Publishing, 1985.
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