Media type: E-Article Title: Fostering Early Numerical Skills at School Start in Children at Risk for Mathematical Achievement Problems: A Small Sample Size Training Study Contributor: Hasselhorn, Marcus; Linke-Hasselhorn, Kathrin imprint: Canadian Center of Science and Education, 2013 Published in: International Education Studies Language: Not determined DOI: 10.5539/ies.v6n3p213 ISSN: 1913-9039; 1913-9020 Keywords: Education Origination: Footnote: Access State: Open Access