Allen, Catherine. Benefits of effective quality control systems in accounting firms: seeing the big picture/ Catherine Allen. - New York: The New York State Society of CPA, 2011. - V81 n1, pages 52-57: illustrations; 28 cm. The CPA Journal. ISSN: 0732-8435 Subjects--Topical Terms: Firm--Accounting. Dewey Class. No.: DPer 657.05 C33 Jan - Apr 2011, v. 81 n 1 - 4