TY - BOOK AU - Powers,Bob TI - Instructor excellence: mastering the delivery of training SN - 1555424295 U1 - 658.3124 PY - 1992/// CY - San Francisco PB - Jossey - Bass KW - Employees KW - Training of KW - Teaching KW - Teachers N1 - Includes index; Bibliography: p. 223-224 ER -