共 15 条
[1]
[Anonymous], 1970, TECHNOLOGY FACTOR IN
[2]
HOROWITZ MA, 1966, MANPOWER REQUIREMENT, V2
[4]
KEESING DB, 1966, AM ECON REV, V56, P249
[5]
KEESING DB, 1968, OPEN ECONOMY
[6]
KEESING DB, 1961, THESIS HARVARD U
[7]
*UK BOARD TRAD, 1958 CENS PROD R 133
[8]
*UK CENTR STAT OFF, 1964 ANN ABSTR STAT
[9]
*UN, 1965 STAT YB
[10]
*US DEP COMM, 1964 US CENS MAN