От истоков до устья. Материалы для истории методики обучения химии в России (1940-2000 гг.). Часть 2

От истоков до устья. Материалы для истории методики обучения химии в России (1940-2000 гг.). Часть 2

282 Pages · 2016 · 7.8 MB · Russian
by Телешов С.В.
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“ Your task is not to seek for love, but merely to seek and find all the barriers within yourself that you have built against it. ” ― Rumi
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