Usman, Moh. Uzer, Upaya optimalisasi kegiatan belajar mengajar (bahan kajian PKG, MGBS, MGMP)/ Moh. Uzer Usman, Lilis Setiawati. - 202 pages; 24 cm. ISBN: 9795142984 Subjects--Topical Terms: Student teaching--Indonesia.Study, Method of.