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The Tanzanian price control system : theory, practice and some possible improvements
Rice, Robert C., (1976)
Survey importers 1968 : preliminary results
Yaffey, M. J. H., (1969)
False import valuations
Yaffey, Michael J. H., (1967)
Toward a better world : memoirs of a life in international and development economics
Helleiner, Gerald K., (2018)
Trade, aid and relative price changes in subāsaharan africa in the 1980s
Helleiner, G. K., (1994)
International Policy Issues Posed by Sub-Saharan African Debt
Helleiner, G. K., (1989)