TY - BOOK TI - Health research methodology : a guide for training in research methods SN - 92-9061-157-X AV - RA 440.85 H349 2001 PY - 2001/// CY - Manila PB - World Health Organization (WHO) KW - Health KW - Research KW - Methodology N1 - Accession No. 15995 was reaccession from 5410 ER -