John ,Joseph. Textbook of preventive and community dentistry / Joseph John. - st. ed. - New Delhi : CBS Publishers & Distributors, 2006. - 292 p. : ill. ; 24 cm. includes index. ISBN: 9788123910208 8123910207 Subjects--Topical Terms: Preventive Dentistry --methods. Dewey Class. No.: 617.6 / JJT