// todo need optimize like in event.jsp. Add indexing or not indexing this page. Secondary school, new knowledge and methods! (jan 21, 2008 – apr 1, 2011) (Timeline)
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Secondary school, new knowledge and methods! (jan 21, 2008 – apr 1, 2011)

Added to timeline:

English

ByVicky
2 Oct 2017

Date:

jan 21, 2008
apr 1, 2011
~ 3 years and 2 months
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