na INLIS000000000018859 20180423033726 0010-061300000018859 180423 0 ind Ind 025.504 025.504, Sum p SUMARJI, P Pelayanan referensi di perpustakaan, / P. Sumarji Yogyakarta : Kanisius, 1992 76 hlm., : ilus., ; 21 cm PERPUSTAKAAN - PELAYANAN REFERENSI NBPNMAT 979-413-829-0 025.504 SUM p 3623736237 56.157 pro.93