Conceptions of numbers : the perspectives of hearing impaired norwegian schoolchildren

MLA

Frostad, Per, and Ann Ahlberg. Conceptions of Numbers : the Perspectives of Hearing Impaired Norwegian Schoolchildren. Trondheim: Tapir, 1996.

APA

Frostad, P., & Ahlberg, A. (1996). Conceptions of numbers : the perspectives of hearing impaired norwegian schoolchildren. Trondheim: Tapir.

Chicago

Frostad, Per, and Ann Ahlberg. Conceptions of Numbers: The Perspectives of Hearing Impaired Norwegian Schoolchildren. Trondheim: Tapir, 1996.