共 117 条
- [1] Ackerman N., 1989, Utah Science, V50, P134
- [2] ACKERMAN NM, 1991, LIFESTYLES FAMILY EC, V12, P107
- [3] ALBRECHT D, 1987, 873 DEP RUR SOC TEX
- [4] ALBRECHT DE, 1984, RURAL SOCIOL, V49, P389
- [5] [Anonymous], 1962, DIFFUSION INNOVATION
- [6] [Anonymous], PSYCHOLOGIST
- [7] ANOSIKE N, 1990, RURAL SOCIOL, V55, P1, DOI 10.1111/j.1549-0831.1990.tb00670.x
- [9] ARMSTRONG PS, 1990, RURAL SOCIOL, V55, P475, DOI 10.1111/j.1549-0831.1990.tb00693.x
- [10] BARKLEY PA, 1982, SOIL CONSERVATION PO, P184