The effects of carrying heavy backpack on the grade four students of Southville International School /
Raymond Gilbert Mante.
- Las Piñas City, Philippines : Southville International School and Colleges, 2000.
- 27 pages : colored illustrations ; 28 cm.
Includes bibliographical references.
Backpacks--Health aspects. School children--Health and hygiene. Posture in children. Back--Wounds and injuries--Prevention.