Walker,, Rob A guide to classroom observation / Rob Walker, Clem Adelman ; photographs by Janine Wiedel

A guide to classroom observation / Rob Walker, Clem Adelman ; photographs by Janine Wiedel . - [London] : Methuen, imp. 1979 . - 178 p. : il. 16x22 cm
0-416-81210-4

371.3
371.13