Olson, T. A. 1., Olson, M., & Slovin, H. (2015). Putting essential understanding of ratios and proportions into practice in grades 6-8. Reston, VA: National Council of Teachers of Mathematics.
Chicago Style CitationOlson, Travis A. 1978-, Melfried Olson, and Hannah Slovin. Putting Essential Understanding of Ratios and Proportions Into Practice in Grades 6-8. Reston, VA: National Council of Teachers of Mathematics, 2015.
MLA CitationOlson, Travis A. 1978-, Melfried Olson, and Hannah Slovin. Putting Essential Understanding of Ratios and Proportions Into Practice in Grades 6-8. Reston, VA: National Council of Teachers of Mathematics, 2015.
Warning: These citations may not always be 100% accurate.