Jansen, B. R. J., De Lange, E., & Van der Molen, M. J. (2013). Math practice and its influence on math skills and executive functions in adolescents with mild to borderline intellectual disability . Research in Developmental Disabilities , 34 (5), 1815–1824. https://doi.org/10.1016/j.ridd.2013.02.022
Jansen, B. R. J., De Lange, E., & Van der Molen, M. J. (2013). Math practice and its influence on math skills and executive functions in adolescents with mild to borderline intellectual disability. Research in Developmental Disabilities, 34(5), 1815–1824. https://doi.org/10.1016/j.ridd.2013.02.022
URL
http://www.sciencedirect.com.ezp3.lib.umn.edu/science/journal/08914222/34/5