Grillo, Elmer V. Control techniques for office efficiency / Elmer V. Grillo. - New York : McGraw-Hill, 1963. - ix, 273 p. : diagrs., forms, tables. ; 24 cm. LCCN: 63013160 Subjects--Topical Terms: Office management. LC Class. No.: HF5547 / .G75 Dewey Class. No.: 651.3 / GRC 1963