00703nam a22002297a 4500 20230208173140.0 230117b |||||||| |||| 00| 0 eng d 9789326193559 eng 333.7076 SIN-NT Singla, Deepika 27450 880 NTA UGC NET/ JRF/ SET paper 2 environmental science / by Deepika Singla and Vivek Sharma New Delhi : Arihant, 2019 691p.; 27cm. Environmental science 18485 Environmental studies 19313 Environmental biology 27451 Environmental chemistry 19197 Sharma, Vivek 25261 245 AB 0 0 0 0 RIEBR RIEBR Allumni Association RIE BBSR 2023-01-17 333.7076 SIN-NT G17038 AB 73454 73454