000 00349nam a2200157Ia 4500
008 220709s9999 xx 000 0 und d
082 _a621
_bKHA
100 _aKHAN B.H.
245 0 _aNON-CONVENTIONAL ENERGY RESOURCES
250 _a3
260 _bMC-GRAW HILL EDU.(I) PVT LTD.
260 _c2019
300 _a600
942 _cREF
999 _c80933
_d80933