00555nam a2200193 a 450000500170000002000150001708200160003210000210004824500430006925000120011226000440012430000260016863000190019463000360021396400160024999700180026599900170028395200610030020251203090637.0 a0876920857 a300.72bYOU aYoung, Pauline V aScientific social surveys and research a4th ed. aNew DelhibPrentice-Hall of Indiac1984 axvi,576p.c22 cm.bPB aSocial Surveys aSocial science Research methods bcdefg_ a27497 LIBSS C c14869d14869 00104070aPUbPUd1998-04-09l0o300.72 YOUp27497yBK