00437nam a22001577a 4500003000400000020001500004082001900019245004500038260008600083300000900169440000600178546001200184650003600196650002500232700002200257OSt  a8172635214  a001.42bPAN/RE  aResearch methodolgy:btesting hypothesis  aNew DelhibIndira Gandhi National Open University School of Social Sciencesc1994  a79p.  v3  aEnglish  aLibrary and information science  aResearch methodology  aPandav Nayak, ed.