Teaching contemporary mathematics in the elementary school/
Howard, Charles Frederick
Teaching contemporary mathematics in the elementary school/ Charles F. Howard and Enoch Dumas. - New York Harper & Row 1966 - xvi, 309 p.: ill. ; 22 cm.
66-011464
Mathematics--Study and teaching (Elementary)
Teaching contemporary mathematics in the elementary school/ Charles F. Howard and Enoch Dumas. - New York Harper & Row 1966 - xvi, 309 p.: ill. ; 22 cm.
66-011464
Mathematics--Study and teaching (Elementary)
