Mahajan & Gupta Textbook of preventive and social medicine 2026-02-16T16:59:42+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Roy, Rabindra Nath; Saha, Indranil (Jaypee Brothers Medical Pub., 2013)