Raju, A A N .
Universal decimal classification IME 1993 theory and practice / - New Delhi : Ess Ess , 2006. - 258p
81-7000-501-9
UDC
025.432 / RAJ/U
Universal decimal classification IME 1993 theory and practice / - New Delhi : Ess Ess , 2006. - 258p
81-7000-501-9
UDC
025.432 / RAJ/U