Kaufman, Ron. The secrets of superior service [videorecording] / Ron Kaufman. - Singapore : Ron Kaufman Active Learning, 1995. - video tape 1 (PAL) Original video of kit which contains : 2 x videos, 2 x audio cassettes, 1 x booklet + 9 x loose-leaf cards ISBN: 1250 Dhs Subjects--Topical Terms: Customer service.Customer relations.Consumer satisfaction.