000 00489 a2200169 4500
020 _a929061157X
082 _a001.42
_bHEA
090 _c19472
_d29841
245 _aHealth research methodology
_ba guide for training in research methods
250 _a2nd ed.
260 _aManila
_bWorld health organization
_c2001
_g2001
300 _aix,237p.
_c26cm
650 _aResearch : statistical methods
650 _aHealth services research-methods
650 _aResearch design
942 _cSR
999 _c47206
_d47206