00397nam a2200133Ia 4500 5886 5886 362.10723 ABR Abramson,J.H. Reasearch Methods in Community Medicine 6th England John Wily & Sons ,Ltd 2008 414 1-Health-Research methods2-Community medicine-Research methods3-Epidemiology-Reaserch methods BK ddc 0 0 ddc 0 0 IMDC IMDC IMDC 2018-03-16 2 1 362.10723 ABR 7634 2025-10-01 2025-06-19 BK