L' enseignement des sciences naturelles dans les écoles secondaires.
Series: Bureau international d'éducation. Publication; no. 138
Publisher: UNESCO
Published: 1952
Place of publication: Paris
Language: fre
Number of pages: 230
Subjects: Science -- Study and teaching.
Notes: At head of title: XVe Conférence internationale de l'instruction publique convoquée par l'UNESCO et le B.I.E., Genève, 1952.
Issued also in English.