Introduction to social research.
LABOVITZ (Sanford) and HAGEDORN (Robert).
Introduction to social research. - New York. McGraw-Hill book Co., 1971 - viii,116
07 035736 6
300.72 LABI
Introduction to social research. - New York. McGraw-Hill book Co., 1971 - viii,116
07 035736 6
300.72 LABI
