00000nam a2200000 a 4500 20251202164321.0 300.72 LAB Latovitz, Sanford Hagedorn, Robert Introduction tosocial research New Delhi McGraw Hill 1976 147p. 22cm. HB Social Research _ 9376 C 7334 7334 0 0 0 0 PU PU 2000-03-28 0 300.72 LAB 9376 BK