Inter-University Board of India, .
Bibliography of Doctoral Dissertations 1857-1970 / - First Ed. / - New Delhi-2 : Inter-University Board of India. - p.986 :
a494,144,N70<-M57(BZ) / L5
Bibliography of Doctoral Dissertations 1857-1970 / - First Ed. / - New Delhi-2 : Inter-University Board of India. - p.986 :
a494,144,N70<-M57(BZ) / L5