00559nam a2200181Ia 4500 190328s9999||||xx |||||||||||||| ||und|| 77-101581 13-496828-X NITIL NITIL 21st 307.2 B637I Blalock, Hubert M Introduction to social research Hubert M Blalock New Jersey Prentice-Hall 1970 119p. Prentice-Hall general sociology series/ed. by Neil J Smelser Social sciences-Research; Participant-Observation BKS 10004 10004 0 0 DDC 0 0 NITIL NITIL 2019-04-02 0 307.2 B637I 71930 2019-04-02 00:00:00 2019-04-02 BKS