Trigonometry (Gelfand Mathematical Seminar Series)
by I.M. Gelfand,Mark Saul
ISBN 13: 9780817639143
Format: Paperback (229 pages) Publisher: Birkhauser Published: 01 Jun 2001
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Camp Logic: A Week of Logic Games and Activities for Young People (Natural Math)
by Mark Saul,Sian Zelbo
ISBN 13: 9780977693962
Format: Paperback (138 pages) Publisher: Natural Math Published: 26 Feb 2015