P Sudha Rani Effect of planned dental health education on primary school children between 10 - 12 years of age group in selected rural areas - NULL - NULL "A P University of health sciences Gunadala Vijayaw, Gunadala Vijayawada hyderabad, " 1995 - 155 ISBN: NULL Subjects--Topical Terms: N.D. Dewey Class. No.: N.D.