Sinha, B.N..
Trends in Geographical Research in India / - 1st ed / - Bhubaneswar : Indian Council of Geographers , 1988 - p.158,xxx :
Umx44,N85<-N28 / M6
Trends in Geographical Research in India / - 1st ed / - Bhubaneswar : Indian Council of Geographers , 1988 - p.158,xxx :
Umx44,N85<-N28 / M6