Leypoldt, Martha M. 40 Ways to Teach in Groups. - Valley Forge: The Judson Press, 1982 - 125p. ilus. 21,5 cm. ISBN: 0817003762 Subjects--Topical Terms: Kelompok SelTeknik MengajarPendidikan--Metode Mengajar LC Class. No.: LC6519 / .L45 1967