Appendix A: Basic Mathematics and Related Skills. In: Hall SJ. Hall S.J. Ed. Susan J. Hall.eds. Basic Biomechanics, 5e New York, NY: McGraw-Hill; 2007. http://accessphysiotherapy.mhmedical.com/content.aspx?bookid=445&sectionid=41288124. Accessed April 22, 2019.
. "Appendix A: Basic Mathematics and Related Skills." Basic Biomechanics, 5e Hall SJ. Hall S.J. Ed. Susan J. Hall. New York, NY: McGraw-Hill, 2007, http://accessphysiotherapy.mhmedical.com/content.aspx?bookid=445&sectionid=41288124.