Manual in Quantitative Methods.
De Castro, Edgar L.
Manual in Quantitative Methods. - 1st./ed. - 518p. : illus. ; 28cm.
Research-Methodology--1987--Philippines--newsprint.
Research--1987--Philippines--newsprint.
Manual in Quantitative Methods. - 1st./ed. - 518p. : illus. ; 28cm.
Research-Methodology--1987--Philippines--newsprint.
Research--1987--Philippines--newsprint.