TY  - BOOK
AU  - Ranasinghe, Metta Srini
TI  - Physical,chemical and biological parameters of water quality at some selected sand mining locations of the lower reaches of Kalugnaga
U1  - 628.112 
KW  - Environmental Protection Engineering
N1  - M.Sc. thesis submitted to University of Sri Jayawardenepura - 2004
ER  -