//-->
Protecting purchasing power in retirement : A study of public employee retirement systems
Mackin, John P., (1971)
Employment, income, and retirement problems of the aged
Kreps, Juanita M., (1963)
The nature of retirement
Moore, Elon Howard, (1959)
An analysis of the determinants of occupational upgrading
Leigh, Duane E., (1978)
Does training work for displaced workers? : A survey of existing evidence
Leigh, Duane E., (1990)
Does training work for displaced workers? : a survey of existing evidence