00398nam a2200169Ia 4500003000400000005001700004008004100021040000700062041001200069082002200081100002100103245002500124260004200149365001200191650001200203650001300215OSt20250625112821.0210423s2008    xx            000 0 und d  cAL  aEnglish  a001.42 223bRAOR  aRavindranath Rao  aResearch methodology  aMangalorebMangala Publicationsc2008  b60cINR  aGeneral  aResearch