00422nam a22001577a 450000500170000000800410001702000220005804100080008008200180008810000310010624500570013726000360019430000100023094200070024099900170024720260511110432.0260511b        |||||||| |||| 00| 0 eng d  a978-93-5062-176-9  aeng  a001.42bBHA/R  aBhattacharyya, Dipak Kumar  aResearch Methodologyc/ by Dipak Kumar Bhattacharyya  aNew Delhi:bExcel Books;c2013.  a440p.  cBK  c46817d46817