00423nam a2200133Ia 4500 20260716043555.0 08.06.01 S556 Shillingford, John Davison Financial potential and welfare implications of sugar cane harvest mechanization on Jamaican plantations Xerox Univ. Microfilms Ann ArborUS 1974 xiv, 263 leaves 3/11/05 JOYD M S556 50046 50046