Towards a policy for the education of teachers : proceedings of t he Twentieth Symposium of the Colston Research Society held in the Univ ersity of Bristol, April 1st - 5th , 1968 / edited by William Taylor . - London : Butterworth, 1969. - xxii, 262 p. ; 26 cm. - Colston Research Society papers ; No. 20. .

370.71042 SYM