na YOGYA-02090000069350 20170324101021.0 ind 979-413-829-0 010-020900000069350 YOPDYOG 025.5 T 025.5 Sum P SUMARJI, P Pelayanan referensi di perpustakaan / P. Sumarji Cet. 1 Yogyakarta Kanisius 1992 76 hlm. : ilus. ; 21 cm. Bibliografi : hlm. 75-76 Perpustakaan YOPDYOG 88701-P/96