References
- HATHELD , P. 1986 . Audio teleconferencing for the physically disabled . Open Learning , 1 ( 2 ) : 51 – 52 .
- ROBINSON , B. 1990 . Telecommunications for interactive tutoring: the OU experience in the 1980s . Open Learning , 5 ( 2 ) : 61 – 64 .
- RUTTER , D.R. and ROBINSON , B. 1981 . An experimental analysis of teaching by telephone: theoretical and practical implications for social psychology . Progress in Applied Social Psychology , 1 : 345 – 375 .
- THE OPEN UNIVERSITY . 1982 . Tutoring by Telephone: , a handbook .