The effect of price and income changes on food-energy intake in Sri Lanka.
SAHN David E.
The effect of price and income changes on food-energy intake in Sri Lanka. - Washington D.C. : IFPRI, 1988. - v : ill.
Ecomonics - Agriculture
The effect of price and income changes on food-energy intake in Sri Lanka. - Washington D.C. : IFPRI, 1988. - v : ill.
Ecomonics - Agriculture