00290nam a2200121Ia 4500008004100000041000800041082001500049100001600064245002500080260002500105300003100130365000700161240624s9999    xx            000 0 und d  aeng  a302.72 GUP  aGUPTA MUKUL  aRESEARCH METHODOLOGY  c2013aNew DelhibPHI  axvi, : 240 : p. : cm. ; 23  cRS