00438nam a22001337a 450000500170000000800410001704000330005808200200009110000250011124500830013626000440021930000270026365000140029020181210002012.0180411r1974    enkb|||g |||| 000 0 eng d  aBD-DhBPAcBD-DhBPAdBD-DhBPA 4a382.1bRAI 19741 aRay, Prasanta Kumar.10aInternational Economics :bpure theory and trade policy /cPrasanta Kumar Ray.  aIndia :bNababharat Publishers ,c1974.  a694 p. :bill;c24 cm.  aEcomomics