Cout-efficacite de la publication de materiel educatif en langues Africaines 
edite per Maureen Woodhall 
 - Oxford:  Working Group on Books and Learning Materials of the Association for the Development of Education in Africa,  1997. 
 - ix, 131p. :  ill. ; 
<br/><br/><label>ISBN: </label>9781901830019 1901830012