Bhatia ,Lal Bihari creator London Longmans,green and co 1944 170:p Introductory (Page-1), Air And Its Impurities (Page-6), Ventilation (Page-15),Water And Its Supply (Page-27), Foods (Page-45), Beverages (Page-70), The Principles Of Diet (Page-79), Personal Hygiene (Page-89), The House (Page-103), Refuse And Refuse Disposal (Page-110), Infectious Disease (Page-116), Disease Carried By Insects (Page-143), Urban And Rural Sanitation (Page-166). Bihari Lal Bhatia Elementary hygiene 613,BHA 20221017133302.0