@ARTICLE {, title = {Derive pre stredoškolských učiteľov krok za krokom – I. časť}, author = {Gabková, Jana and Omachelová, Milada}, journal = {Obzory matematiky, fyziky a informatiky}, year = {2007}, volume = {36}, number = {2}, pages = {39--44}, issn = {1335-4981}, abstract = {In the first paper of this Derive introduction course we would like to present a brief introduction for help the readers to understand the ideas of this program and to use it in the Secondary mathematics teaching.}, }