Author(s) Caillods, Françoise; Göttelmann-Duret, Gabriele Languages English Year 1997 Pages 242 p. ISBN 978-92-803-1160-0; 92-803-1160-3(UNESCO-IIEP,pbk.); 0-08-042789-8(Pergamon, hbk.) Level Secondary education Theme Planning, tools, and methods Online version English Buy a print copy