Bird, D., & Hiscox, M. (1981). Mathematics in school and employment: A study of liason activities. Methuen Educational.
Chicago-referens (17:e uppl.)Bird, David, och Michael Hiscox. Mathematics in School and Employment: A Study of Liason Activities. London: Methuen Educational, 1981.
MLA-referens (9:e uppl.)Bird, David, och Michael Hiscox. Mathematics in School and Employment: A Study of Liason Activities. Methuen Educational, 1981.
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