00406nam a2200121Ia 4500008004100000040001700041082002400058100001800082245007200100260004400172300001000216650005800226190327s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta025.524bK92R  aKrishan Kumar 0aResearch methods in library and information sciencec Krishan Kumar  aNew DelhibVikas Publishing Housec1992  a317p.  aLibrary science-Research; Library science-Methodology