00422nam a22001457a 4500020001800000082001300018100001900031245005200050250001200102260003800114300001300152524006700165654002300232700002100255  a9788194802891  a613bPAT  aPatel, Parimal  aGolden notes for preventive and social medicine  a2nd ed.  aNew DelhibJay Pee Brothersc2021  a1-562 p.  aDr.Saju C R,Professor & HOD, Dept. of Community Medicine, AIMS  aCommunity Medicine  aMakadia, Khushbu