Brinkerhoff, Robert O. Productivity measurement : a guide for managers and evaluators / Robert O Brinkerhoff, Dennis E. Dressler. - Newbury Park : Sage Publications, c1990. - 128 p. ; Includes bibliographical references (p. 125-127). ISBN: 0803931514 0803931522 (pbk.) Subjects--Topical Terms: Industrial productivity Dewey Class. No.: 658.3 / ROB