[1] T. Meeting of Experts on the Adaptation of the General Secondary School Curriculum in Africa and S. Haggis, "Adaptation de l'enseignement des sciences aux besoins de l'Afrique ," 1962.

Meeting of Experts on the Adaptation of the General Secondary School Curriculum in Africa, Tananarive, 1962 and Haggis, Sheila M., "Adaptation de l'enseignement des sciences aux besoins de l'Afrique ," 1962.

Meeting of Experts on the Adaptation of the General Secondary School Curriculum in Africa, T., Haggis, S., (1962). "Adaptation de l'enseignement des sciences aux besoins de l'Afrique,"

Meeting of Experts on the Adaptation of the General Secondary School Curriculum in Africa, Tananarive, 1962, Haggis, Sheila M.. (1962). "Adaptation de l'enseignement des sciences aux besoins de l'Afrique,"