TY - BOOK ED - Food and Agriculture Organization of the United Nations TI - The farming systems approach to development and appropriate technology generation T2 - FAO farm systems management series 10 SN - 92-5-103644-6 U1 - 338.63 PY - 1995/// CY - Rome, Italia PB - FAO KW - Agricultura KW - Inovaciones KW - tecnología KW - Sistemas de producción ER -