000 00547nam a22001697a 4500
001 D0001J000496
003 DOH
005 20210420142253.0
008 210420b ||||| |||| 00| 0 eng d
245 0 0 _aTheory and practice of research - experimental designs (including concept of validity and reliability) /
_cRicardo S. Guanzon, Rberto Ruiz
580 _aThe Filipino Family Physician, 1999 37 (1) pages 17-24
650 2 _aResearch
650 2 _aResearch Design
700 1 _aGuanzon, Ricardo S.
700 1 _aRuiz, Roberto
942 _cJA
999 _c4132
_d4132