共 7 条
[1]
AARONSON FM, 1946, MOBILITY WORKERS EMP, P13
[2]
Bogue D. J., 1952, METHODOLOGICAL STUDY
[4]
BUNTING RL, 1960, LABOR MOBILITY PATTE, P10
[6]
PARNES HS, 1954, RES LABOR MOBILITY, pCH4
[7]
*US DEP COMM, 1955, COUNT BUS PATT 1ST Q