Chemical and biological methods of water and air pollution control : a practical hygiene manual
Purohit, S.K.
Chemical and biological methods of water and air pollution control : a practical hygiene manual - - Bikaner : Agro Botanical Pub., 1985 1985 - 59 p. 19 cm - .
1
Air-Pollution
Air-Purification-Biological treatment
Water-Purification-Chemical treatment
Water-Pollution
Water-Purification-Biologicaltreatment
Air-Purification-Chemical treatment
628.54:628.34 Pur
Chemical and biological methods of water and air pollution control : a practical hygiene manual - - Bikaner : Agro Botanical Pub., 1985 1985 - 59 p. 19 cm - .
1
Air-Pollution
Air-Purification-Biological treatment
Water-Purification-Chemical treatment
Water-Pollution
Water-Purification-Biologicaltreatment
Air-Purification-Chemical treatment
628.54:628.34 Pur