共 27 条
[2]
BOISSEVAIN Jeremy, 1973, NETWORK ANAL STUDIES, P125
[3]
Bott E., 1957, FAM SOC NETWORK, P320
[4]
Cantor M. H., 2016, RES AGING, V1, P434, DOI [10.1177/016402757914002, DOI 10.1177/016402757914002]
[5]
Clyde J. Mitchell, 1969, SOC NETWORKS URBAN, P2
[8]
Collins A., 1976, NATURAL HELPING NETW
[10]
FLAHERTY JA, 1981, MAY ANN M AM PSYCH A