National Symposium on Wastewater Disposal Lahore, Pakistan, & University of Engineering and Technology. Institute of Public Health Engineering and Research. (1975). Proceedings of the National Symposium on Wastewater Disposal held in April 1975. Institute of Public Health Engineering and Research, University of Engineering & Technology.
Lua i Stíl Chicago (17ú heag.)National Symposium on Wastewater Disposal Lahore, Pakistan, agus University of Engineering and Technology. Institute of Public Health Engineering and Research. Proceedings of the National Symposium on Wastewater Disposal Held in April 1975. Lahore, Pakistan: Institute of Public Health Engineering and Research, University of Engineering & Technology, 1975.
Lua MLA (8ú heag.)National Symposium on Wastewater Disposal Lahore, Pakistan, agus University of Engineering and Technology. Institute of Public Health Engineering and Research. Proceedings of the National Symposium on Wastewater Disposal Held in April 1975. Institute of Public Health Engineering and Research, University of Engineering & Technology, 1975.