000			00607nam a22002297a 4500
003			CUTN
005			20231104153038.0
008			231104b |||||||| |||| 00| 0 eng d
020			_a9788178129082
041			_aEnglish
082			_223 _a363.7 _bSIN
100			_aSingh, B.B.
245			_aObjective Environmental Studies / _cB.B. Singh.
260			_aNew Delhi : _bRamesh Publishing House.
300			_a296 p. : _bill. ; _c24 cm.
650			_aEnvironmental Studies.
650			_aCompetitive Exam.
650			_aUPSC.
650			_aUGC-NET.
690			_aCompetitive Section.
942			_2ddc _cCSB
999			_c40210 _d40210