共 32 条
[22]
Long Norman., 1992, Battlefields of Knowledge. The interlocking of theory and practice in social research and developm ent
[23]
MCINTOSH WA, 1986, RURAL SOCIOL, V51, P471
[24]
NOWAK PJ, 1987, RURAL SOCIOL, V52, P208
[25]
NYANTENG VK, 1993, INT C COC EC BAL IND
[27]
Rogers, 1983, DIFFUSION INNOVATION
[28]
Schultz T.W., 1981, Investing in people: The economics of population quality
[29]
SHAW A, 1985, ECON GEOGR, V60, P25
[30]
Upton M, 1987, AFRICAN FARM MANAGEM