00254nam a22001097a 4500003000500000038001300005082001900018100001900037245003300056260003700089300001800126NUST  aM.Ramzan  a553.24544bREH  aRehman, Shamim  aThar coal Salvation paradigm  aKarachibAl Hassan Academyc2011  a120 p,:b25cm