00689nam a2200241Ia 4500 28280 BIBL 20180724022702.0 751021s1955 nyua 00010 eng 55011269 /L/r842 Wa EVLG 307.2 C463 c1 H62 .C355 1955 307.2 307.2 C463 Chapin, F. Stuart (Francis Stuart) Local 71897 Experimental designs in sociological research. Rev. ed. New York Harper [1955] 297 p. illus. 21 cm. Sociology Research. Local 172106 Experimental design. Local 94088 20478 20478 0 0 0 307_200000000000000_C463 0 evl 304072 10 10 1 2016-05-27 40142 0 307.2 C463 80000000318363 2016-05-27 00:00:00 r:28280 z:NCC:D 6