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1ԳիրքEggleston, J. F. (James Frederick), 1927-“…Schools Council (Great Britain). Project for the Evaluation of Science Teaching Methods…”
Հրապարակվել է 1975
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2ԳիրքEggleston, J. F. (James Frederick), 1937-“…Schools Council (Great Britain). Project for the Evaluation of Science Teaching Methods…”
Հրապարակվել է 1976