Sobel, M. A. (1975). Teaching mathematics: A sourcebook of aids, activities and strategies. Prentice Hall.
Chicago Edition CitationSobel, Max A. Teaching Mathematics: A Sourcebook of Aids, Activities and Strategies. New Jersey: Prentice Hall, 1975.
MLA Edition CitationSobel, Max A. Teaching Mathematics: A Sourcebook of Aids, Activities and Strategies. Prentice Hall, 1975.
Warning: These citations may not always be 100% accurate.