TY - BOOK AU - Buffie,Edward G. AU - Welch,Ronald C. AU - Paige,Donald D. ED - Prentice-Hall Publishing TI - Mathematics: strategies of teaching T2 - Modern elementary methods series U1 - 372.7044 23 PY - 1968///. CY - Englewood Cliffs, N.J.: PB - Prentice-Hall, KW - Mathematics KW - Study and teaching (Elementary) N1 - Includes bibliographical references and index ER -