000 00655nam a2200205 a 4500
005 20210219160119.0
008 080804s1976 mx r 000 0 spa d
020 _a9231013475
035 _aUPN01000158987
049 _aUNE
080 _a371.14 (548.7) =20 ARI No.23.
100 1 _aAriyadasa, K. D
245 1 0 _aIn-service training of teachers in Sri Lanka /
_cby K. D. Ariyadasa.
260 _aParís :
_bUNESCO ;
_aGinebra :
_bOIE,
_c1976.
300 _a56 p. :
_bil.
440 0 _aExperiments and innovations in education ;
_v23
690 _aFormación de docentes - Sri Lanka
690 _aSri Lanka - Formación de docentes
905 _aUNESCO
999 _c131101
_d131101