na YOGYA000000000039054 20150313090808.0 0010-081400000038772 DEP 371.11 Sah P Sahertian, Piet A Profil Pendidik Profesional Sahertian, Piet A Ed. 1 Yogyakarta Andi Offset 1994 xv, 118 hlm. 21 cm. Guuru profesional CB-D.11-94-370