Chang, Richard Y. Producing high-impact learning tools : a practical guide to achieving peak process performance Richard Y. Chang - London Kogan Page c1995. - viii, 109p. : ill. 25 cm. - High-impact training series . - (High-impact training series) . ISBN: 0749417110 Subjects--Uniform Titles: Employees --Training of LC Class. No.: RNF HF 5549.5 T7 C4 1995