00399nam a2200145Ia 4500008004100000020001500041041000800056082001600064100001700080245007700097250000600174260003400180300001400214650002500228210716s2007    xx            000 0 und d  a8180940160  aeng  a001.42 GURN  aGurumani, N.  aResearch methodology: for biological sciences.bFor biological sciences.  a1  aChennaibMJP Publishersc2007  axxvii,753  aResearch Methodology