Markus Gebhardt, Fabian Zehner, & Marco G. P. Hessels. (2014). Basic Arithmetical Skills of Students with Learning Disabilities in the Secondary Special Schools: An Exploratory Study covering Fifth to Ninth Grade. EARLI.
Chicago Style (17th ed.) CitationMarkus Gebhardt, Fabian Zehner, and Marco G. P. Hessels. Basic Arithmetical Skills of Students with Learning Disabilities in the Secondary Special Schools: An Exploratory Study Covering Fifth to Ninth Grade. EARLI, 2014.
MLA (9th ed.) CitationMarkus Gebhardt, et al. Basic Arithmetical Skills of Students with Learning Disabilities in the Secondary Special Schools: An Exploratory Study Covering Fifth to Ninth Grade. EARLI, 2014.
Warning: These citations may not always be 100% accurate.