Mamed, F. de A. Custos e beneficios sociais da politica de auto-suficiencia em borracha natural no Brasil [Costs and social benefits derived from the policy of self-sufficiency in true rubber in Brazil] - Vicosa, MG (Brasil): 1984. - 90 p. 21 tables; 39 ref.; Summary (Por) Subjects--Topical Terms: BORRACHAECONOMIA AGRICOLA