Pyhrr Peter A Zreo-base budgeting a practical management toll for evaluting expanses Pyhrr Peter A - New York John Wiley 1973 - xv,229p. cm. - Wliey series on systems and controls for financial management edited by Robert LShultis and Frank M Mastrmano . Standard No.: 136,244 Source: Textual Subjects--Topical Terms: ECONOMICS Dewey Class. No.: X:8E, L3