Irwin, Patric Hamilton 1923- Business planning : key to profir growth / Patrick H. Irwin. - Hamilton: The Society of Industrial Accountants of Canada, [1970]. - x, 167 p. : tables ; 23 cm. Includes bibliography. ISBN: 0770003044 Subjects--Topical Terms: PlanningBusiness planning Dewey Class. No.: 658.4012