Comber, L. C. a Keeves, John P. Science education in nineteen countries: an empirical study. New York: John Wiley & Sons, 1973. 403 stran. A Halsted Press book. International studies in evaluation; I.
Comber, L. C., & Husén, T. (1973). Science education in nineteen countries: An empirical study. New York : Stockholm: John Wiley & Sons ; Almqvist & Wiksell.
Styl ChicagoComber, L. C., and Torsten Husén. Science Education in Nineteen Countries: An Empirical Study. New York : Stockholm: John Wiley & Sons ; Almqvist & Wiksell, 1973.
Citace podle MLAComber, L. C., and Torsten Husén. Science Education in Nineteen Countries: An Empirical Study. New York : Stockholm: John Wiley & Sons ; Almqvist & Wiksell, 1973.
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