TY - BOOK AU - Rigg,Robinson Peter TI - Audiovisual aids and techniques in managerial and supervisory training SN - 0241914396 PY - 1969/// CY - London PB - Hamilton KW - Executives KW - Training of KW - Audio-visual aids KW - Supervisors N1 - List of films: p. 191-195; Bibliography: p. 185-191 ER -