00000nam 2200000 4500 INLIS000000000006346 18401/JBPUBEK/2001 20220425093034 18402/JBPUBEK/2001 0010-0422000315 usman uzer Upaya optimalisasi kegiatan belajar mengajar : (bahan kajian PKG,MGBS, MGMP) / Moh. Uzer Usman, Lilis Setiawati Cet. 1 Bandung : : Remaja Rosdakarya,, 1993 x, 202 hlm. ; 24 cm. Bibliografi : hlm. 183-184 JKPNPNA a g b 000 0 ta 220425################g##########0#ind## 979-514-298-4 JKPNPNA ind 371.3 371.3 USM u CB-D.10 93-868/3240-93