共 57 条
[51]
TUCKER DJ, 1984, 49TH ANN M AM SOC AS
[52]
TUCKER DJ, 1988, ECOLOGICAL MODELS OR, P127
[53]
Vesper K. H., 1983, ENTREPRENEURSHIP NAT
[55]
Wharf B., 1972, PLANNING SOCIAL SERV
[56]
Williamson O. E, 1985, EC I CAPITALISM
[57]
Williamson OE, 1975, MARKETS HIERARCHIES