TY - BOOK ED - United Nations Conference on Trade and Development TI - Case study an the national experience of the United Republic of Tanzania in horizontal and vertical diversification, including possibilities for crop substitution U1 - 338.1678 U58c PY - 1994/// CY - Republic of Tanzania PB - [United Nation] KW - AGRICULTURA KW - ASPECTOS ECONOMICOS KW - TANZANIA KW - ESTUDIO DE CASOS ER -