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Group Dynamics in Play and Games among Pre-school Children
Lucia Malinova, Bozhidar Angelov
Multidisciplinary Journal of School Education /2(4) (2013) s. 13-26 -
Group dynamics in play and games among pre-school children
Lucia Malinova, Bozhidar Angelov
Journal of Preschool and Elementary School Education /2(4) (2013) s. 13-26 -
On some Generalizations of the Jacobi Identity II
Bozhidar Zakhariev Iliev
Bulletin de la Société des Science et des Lettres de Łódź. Serie: Recherches sur les Déformations , 14 /131-140 (1992/93) s. 93-102