370.19 Wor p World Congress of the World Association for Educational Research (1989 Aug. 28 Sep 1 : Prague) Proceedings : Scientific and technological innovations and education for the world of tomorrow: = Actec : Innovations Scientifiques et technologiques et l ’education / Praga : /s.n./, 1990.' 1105 p. ; 31 cm. "List of participants”: p. 7-20