na INLIS000000000012253 20240306112135 0010-0521012253 240306 | | 1 85339 101 8 en 63/JOI 63/JOI Waters-Bayer Bertus Haverkort Johan Van Der Kamp JOINING farmaers experiments : Experiences in participatory technology development / Waters-Bayer London : Intermediate Technology, 1991 x, 269 p.: ill.; 21 cm. AGRICULTURE -- TECHNOLOGY TRANSFER -- EXTENSION ACTIVITY 7/ODA/1993