TY - BOOK AU - Sfard, Anna TI - Thinking as communicating : human development , the growth of discourses , and mathematizing SN - 9780521867375 AV - QA42.S43 2008 PB - Cambridge University Press KW - Mathematics - Language KW - Thought and thinking KW - QA N1 - Reprinted 2009; Includes bibliographical references (p. 303-317) and indexes ER -