000 00319 a2200109 4500
082 _a616.3427
_bWOR
245 _aManual of epidemiology for district health management
_cedited by J.P.Vaughan
260 _aGeneva:
_bWorld Health Organization,
_c1989.
300 _a198p.
650 _aHealth management
_954716
942 _cBK
999 _c54745
_d54745