Методика преподавания физики в семилетней школе. Рисунки и чертежи на уроках физики

Методика преподавания физики в семилетней школе. Рисунки и чертежи на уроках физики

266 Pages · 1955 · 53.04 MB · Russian
by Горячкин Е.Н.
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“ You often feel tired, not because you've done too much, but because you've done too little of what sparks a light in you. ” ― Anonymous
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