TY - BOOK T1 - Research for health principles, perspectives, and strategies LA - English PP - Geneva PB - World Health Organization YR - 1993 UL - https://ds.mainlib.upd.edu.ph/Record/UP-1685523046126267427 OP - 42 NO - "WHO/RPD/ACHR (HRS)/93." CN - R 850 A38 1993 KW - Health Services Research. KW - World Health. ER -