RANGANATHAN (R), . (2006). The Five Laws of Library Science. : Ess Ess Publiction New Delhi.
RANGANATHAN (R), . 2006. The Five Laws of Library Science. : Ess Ess Publiction New Delhi.
RANGANATHAN (R), . The Five Laws of Library Science. : Ess Ess Publiction New Delhi. 2006.
