00000cam a22000004a 4500 UP-8027390931312519613 Buklod 20200515133506.0 o--- | || || ta 200515s xx d r |||| u| (iLib)UPCEB-00011920104 eng DMLUC H 62 B58 Blalock, Hubert M Methodology in social research. Social science research. Social sciences Methodology. FO Paper UPCEB CEBU-LAHUG H 62 B58 Book