Ford, LeRoy. Alat-alat Mengajar. - Bandung: Lembaga Literatur Baptis, 1972 - 61p. ilus 21 cm. Subjects--Topical Terms: Prinsip MengajarAlat Peraga LC Class. No.: BV1574 / .F674 1972 Dewey Class. No.: 268.6