Haswell, Margaret Rosary
The economics of subsistence agriculture .-- 3rd. ed. .-- London, [etc.] : Macmillan , 1967
.--VIII, 245 p. 22 cm.
AGRICULTURA
ASPECTOS ECONOMICOS
The economics of subsistence agriculture .-- 3rd. ed. .-- London, [etc.] : Macmillan , 1967
.--VIII, 245 p. 22 cm.
AGRICULTURA
ASPECTOS ECONOMICOS