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Thirteenth National Conference on Education in Physics on "Optimization of the Education on Physics" was held in Yambol (1985) [1].
References
Н. Балабанов, Да оркестрираме мелодиите на физиката, Изд. Пловдивски университет, с. 99
Created: 07 11 2007
Updated: 24 09 2013