Lal,, C., & Kumar,, K. (2007). Descriptive questions in library and information science: For NET(UGC),SET,SLET and other exams According to new format of questions. Ess Ess.

Lal,, C., and K. Kumar. Descriptive Questions in Library and Information Science: For NET(UGC),SET,SLET and Other Exams According to New Format of Questions. New Delhi: Ess Ess, 2007.

Lal,, C., and K. Kumar. Descriptive Questions in Library and Information Science: For NET(UGC),SET,SLET and Other Exams According to New Format of Questions. Ess Ess, 2007.