TY - BOOK AU - Thorpe,Mary TI - Evaluating open and distance learning T2 - Longman open learning SN - 0582901197 U1 - 371.3 23 PY - 1988/// [reprint 1990] CY - Harlow PB - Longman KW - Distance education KW - Great Britain KW - Evulation N1 - Includes index ER -