00349nam a22001097a 4500020001500000082001600015100002000031245011300051260003900164300000800203650002800211 a1412916801 a300.723 PER aPerecman, Ellen aA Handbook for Social Science Field Research:Essays and Bibliographic Sources on Research Design and Methods aNew DelhibSage Publicationsc2006 a254 aSocial Science Research