"blalock, hubert m. "
an introduction to social research: / hubert.m. blalock - 1 ed. - usa : prentice-hall 1970. - ", 119p.; 23 cm."
13-496836-0
H62 / .B576 1970
an introduction to social research: / hubert.m. blalock - 1 ed. - usa : prentice-hall 1970. - ", 119p.; 23 cm."
13-496836-0
H62 / .B576 1970