Santos, O. L. (1968). A cross section analysis of technical manpower in transportation and commerce: Manila labor market area, 1965.
Chicago-referens (17:e uppl.)Santos, Onofre L. A Cross Section Analysis of Technical Manpower in Transportation and Commerce: Manila Labor Market Area, 1965. 1968.
MLA-referens (9:e uppl.)Santos, Onofre L. A Cross Section Analysis of Technical Manpower in Transportation and Commerce: Manila Labor Market Area, 1965. 1968.
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