(2018). 4 th research and development study symposium - 2018: : symposium proceedings. National Water Supply and Drainage Board.
Chicago Style (17th ed.) Citation4 Th Research and Development Study Symposium - 2018: : Symposium Proceedings. Ratmalana: National Water Supply and Drainage Board, 2018.
MLA (9th ed.) Citation4 Th Research and Development Study Symposium - 2018: : Symposium Proceedings. National Water Supply and Drainage Board, 2018.
Warning: These citations may not always be 100% accurate.