TY - BOOK AU - Brissenden,T.H.F. TI - Mathematics teaching: theory in practice T2 - The mathematical education trust (Harper and Row Publishers, London) SN - 0-06-318160-6 U1 - 510.71041 21E PY - 1980/// CY - London PB - Harper and Row Publishers N1 - Bibliogr. p. 165-166 ER -