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Learning and earning : three essays in the economics of education
Bowman, Mary Jean, (1978)
Double for nothing? : experimental evidence on an unconditional teacher salary increase in Indonesia
Ree, Joppe de, (2018)
Ree, Joppe de, (2017)
Historical statistics of the United States on CD-ROM : colonial times to 1970 ; bicentennial edition
Carter, Susan B., (1997)
Part A : population
Carter, Susan B., (2006)
Part D : economic sectors