= пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ - пїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅпїЅ
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	[книга]
	International conference on mathematics education 3-5 June 2005, Svishtov, Bulgaria
	International conference on mathematics education. Svishtov. 2005    Grozdev, Sava Ivanov - Гроздев, Сава Иванов
	Sofia : Union of the Bulg. Mathematicians
	2005
ISBN:	954-8880-21-0
	Математика - конференции Математика - методика на преподаване

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