Mathematical Association of of Victoria & State College of Victoria at Rusden. Centre Studies in the Curriculum. (1980). The Mathematical adventure of RALPH. the Association.
Chicago-viite (17. p.)Mathematical Association of of Victoria ja State College of Victoria at Rusden. Centre Studies in the Curriculum. The Mathematical Adventure of RALPH. [Melbourne, The Centre: the Association, 1980.
MLA-viite (9. p.)Mathematical Association of of Victoria ja State College of Victoria at Rusden. Centre Studies in the Curriculum. The Mathematical Adventure of RALPH. the Association, 1980.
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