christopher john p rigorat www.socialstudies.org (C3) Framework for Social Studies State Standards - National . Guidance for Enhancing the Rigor of K-12 Civics, Economics, Geography, and History . John Lee, Ph.D., . based on what they read (NGA and CCSSO, 2010a, p. . Hayley L. Lotspeich, Wheaton North High School (IL); Chris Salituro,.
christopher john p rigorat christopherjphillips.com robert woodhouse and the evolution of cambridge mathematics Christopher Phillips . his career by Samuel Vince and John Wood, and later by William Whewell, George . journal for the history of science, xxvii (1994), 247–76, p. . Richards, “Rigor and clarity: Foundations of mathematics in France and .