TY  - GEN
AU  - Ratnayake, N.
TI  - Some case studies of waste treatment practice
PY  - 1990///
CY  - Moratuwa
PB  - University of Moratuwa
KW  - SANITARY ENGINEERING
KW  - INDUSTRIAL WASTES-TREATMENT
KW  - INDUSTRIAL PLANTS-SANITATION
ER  -