Ratnayake, N.
Some case studies of waste treatment practice - Moratuwa University of Moratuwa 1990 - 23 p., ill.
SANITARY ENGINEERING
INDUSTRIAL WASTES-TREATMENT
INDUSTRIAL PLANTS-SANITATION
628.54 / R3
Some case studies of waste treatment practice - Moratuwa University of Moratuwa 1990 - 23 p., ill.
SANITARY ENGINEERING
INDUSTRIAL WASTES-TREATMENT
INDUSTRIAL PLANTS-SANITATION
628.54 / R3