Jabara, C., Brigida, A. Variable levies. Washington: 1980 V, 16 p. : tab.
Jabara, C., Brigida, A. Variable levies. Washington: 1980 V, 16 p. : tab.
Jabara, C., Brigida, A. (1980) Variable levies, Washington: V, 16 p. : tab.
Jabara, C., & Brigida, A. (1980). Variable levies. Barriers to grain imports in France, the Netherlands, Federal Republic of Germany, and the United Kingdom. Washington: V, 16 p. : tab.
Jabara C, Brigida A. Variable levies: Barriers to grain imports in France, the Netherlands, Federal Republic of Germany, and the United Kingdom. Washington: 1980. p. V, 16 p. : tab.
