00304nam a2200109Ia 4500 211217s9999 xx 000 0 und d Jayakar Knowledge Resource Centre Hilliard, F. H. ed. Teaching the teachers George allen & unwin. London 1971 1 380271 380271 2 0 ddc 0 0 2 2 0000-00-00 40.00 T9(T):3u3 K1 178427 2022-01-27 0000-00-00 1