National Institute for the Foodservice Industry. Applied foodservice sanitation : A certification coursebook / Developed in collaboration with the National Sanitation Foundation. - [Chicago, 1974]. - 224 p. : illus. ; 23 cm. - 614.7/91 . "A NIFI textbook." Includes bibliographical references. Subjects--Topical Terms: Food service--Sanitation. Dewey Class. No.: 614.7/91