Jerry P. Becker & Shimada, S. (1997). The open-ended approach: A new proposals for teaching mathematics. National Council of Teachers of Mathematics.
Chicago Style (17th ed.) CitationJerry P. Becker and Shiguru Shimada. The Open-ended Approach: A New Proposals for Teaching Mathematics. Boston, MA: National Council of Teachers of Mathematics, 1997.
MLA (9th ed.) CitationJerry P. Becker and Shiguru Shimada. The Open-ended Approach: A New Proposals for Teaching Mathematics. National Council of Teachers of Mathematics, 1997.
Warning: These citations may not always be 100% accurate.