文献信息
Social Studies ClassesPopulation EducationDemographic TransitionPrivate FundingClassroom InstructionScience ClassesState FundingConference ProceedingsPopulation GrowthTeacher TrainingNatural Resources
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vol.3 (1977)
vol.2 (1976)
Huether, C.A.Gustavus, S.O.
1977年2期
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