000			00323nam a2200109Ia 4500
008			200302s9999 xx 000 0 und d
100			_aDr. M. M. Abid Ali khan and other
245			_aGlobal progress in development of sustainable environment
260			_bDiscovery Pubishing House Pvt. Ltd.
260			_c2017
300			_a293
999			_c6879 _d6879