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.

National Symposium on Wastewater Disposal Lahore, Pakistan, and 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.

National Symposium on Wastewater Disposal Lahore, Pakistan, and 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.