HORTON, DOUGLAS POTATOES PRODUCTION, MARKETING, AND PROGRAMS FOR DEVELOPING COUNTRIES - 0 - LONDON WESTIEW PRESS 1987 - 243 pag 23 cm - 0 0 . PRODUCTION-SOCIECONOMIC/NUTRITION-PROGRAMS Subjects--Topical Terms: CIENCIAS APLICADAS Dewey Class. No.: 641.3521 / H76