000			00847nam a2200301Ia 4500
001			36708
005			20250221153929.0
008			250214s9999||||xx |||||||||||||| ||und||
100			_aSivakumar, M
245		0	_aPrinciples of environmental science and engineering
250			_a2
260			_aChennai
260			_bLakshmi Publications
260			_c2005
300			_a1.1 - 5.96p: ill. ;
500			_aIncludes model question papers.
650			_aBiogeochemical cycles
650			_aEcosystem
650			_aEnvironmental engineering
650			_aEnvironmental management
650			_aEnvironmental science
650			_aEnvironmental stress
650			_aIndian environmental acts
650			_aPollution control act -- Air and water
650			_aPopulation and environment
700			_aSaravanan, R
942			_cBK
999			_c52507 _d52507