00472nam a2200121Ia 450000500170000000800410001702000150005808200160007310000110008924501860010026000420028630000220032820260205105156.0260111s9999||||xx |||||||||||||| ||und||  a8170004373  a025.1  L15U  aLal,C. 0aUnderstanding basics of library and information science: Reference services & information sources, information services and computers & information technology/by C. Lal and K. Kumar  aNew DelhibEss Ess publicationsc2005  a114 + 146 + 114p.