Effect of price and income changes of food-energy intake in Sri Lanka
Sahn, D.E.
Effect of price and income changes of food-energy intake in Sri Lanka - Washington 1988 - 340 p. - No. 126; Washington Internatio .
339.42(548.7)
Effect of price and income changes of food-energy intake in Sri Lanka - Washington 1988 - 340 p. - No. 126; Washington Internatio .
339.42(548.7)