000 00335nam a2200133Ia 4500
008 250111s9999 xx 000 0 und d
020 _a9788196935306
100 _aOJHA, N.N.
245 0 _aGENERAL SCIENCE AND ENVIRONMENT
260 _bCHRONICAL PUB, NOIDA
_c2023
300 _a471
650 _aEnvironmental Science
942 _cBK
999 _c219861
_d219861