000 00397cam a2200157 a 4500
020 _a9780199558414 (pbk.)
020 _a0199558418 (pbk.)
082 0 4 _a320.072
_bHAL/PO
100 1 _aHalperin, Sandra.
245 1 0 _aPolitical research :
_bmethods and practical skills /
260 _cc2012.
300 _axiv, 440 p. :
650 0 _aPolitical science
700 1 _aHeath, Oliver,
942 _cREF
999 _c6475
_d6474