共 41 条
[1]
BAWDEN RJ, 1991, DRYLAND FARMING SYST
[2]
BENVENUTI B, 1962, FARMING CULTURAL CHA
[3]
BROWN LA, 1979, SOCIAL SCI Q, V60, P2249
[5]
CARRIGAN DA, 1967, UNPUB P TOWNSV LUC S
[6]
CHAMALA S, 1980, INDIAN J EXTENSION E, V16, P1
[7]
CHAMALA S, 1991, PRODUCER CLIENT INVO
[8]
Chambers R., 1989, FARMER 1 FARMER INNO
[9]
Checkland P., 1993, SYSTEMS THINKING SYS
[10]
Checkland P. B., 1986, J APPL SYSTEMS ANAL, V13, P3