Cărți de Leonard Porter Ayres

Health Work in the Public Schools

Autor Leonard Porter Ayres et al.

Preț: 44^.54 lei

3-5 săpt.

The Effect Of Promotion Rates On School Efficiency (1913)

Autor Leonard Porter Ayres

28 ian 2010

Preț: 120^.00 lei

38-45 zile

Laggards In Our Schools - A Study Of Retardation And Elimination In City School Systems

Autor Leonard Porter Ayres

9 dec 2009

Preț: 215^.22 lei

38-45 zile

Psychological Tests In Vocational Guidance (1913)

Autor Leonard Porter Ayres

9 aug 2009

Preț: 118^.03 lei

38-45 zile

Child Accounting In The Public Schools (1915)

Autor Leonard Porter Ayres

29 iun 2008

Preț: 103^.79 lei

38-45 zile

Health Work in the Public Schools

Autor Leonard Porter Ayres et al.

Preț: 44^.54 lei

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