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