00620nam a2200169Ia 4500 190327s9999||||xx |||||||||||||| ||und|| 67-16662 NITIL NITIL 21st 382 W423T Weintraub, Sidney Trade preferences for less-development countries an analysis of United States policy Sidney Weintraub New York Frederick A Praeger 1967 xvi, 231p. Praeger special studies in International Economics and development Tariff preferences-Developing countries; United States-Commercial policy BKS 40434 40434 0 0 DDC 0 0 NITIL NITIL 2019-04-04 0 382 W423T 61954 2019-04-04 00:00:00 2019-04-04 BKS