00583nam a2200205Ia 4500 0000016634 20251012174547.0 981208s1976 fr 00 eng c 9231013475 eng a-ce--- LB1727 LB1727.I6 A74 1976 In-service training of teachers in Sri Lanka by K.D. Ariyadasa Paris Unesco 1976 56 p. : ill. ; 21 cm. Teachers In service training Sri Lanka Teachers Training of Sri Lanka 6179 6179