Stone, Ron D. The real value of training : measuring and analyzing business outcomes and the quality of ROI / Ron Drew Stone - New York : McGraw-Hill, 2011. - xvii, 302 p. : ill. ; 25 cm. Includes bibliographical references (p. 289-290) and index. ISBN: 9780071759977 (alk. paper) RM155.00 0071759972 (alk. paper) Subjects--Topical Terms: Performance standards.Rate of return.Personnel management.