00426nam a2200121Ia 450000500170000000800410001702000150005805000300007310000160010324501140011926000330023365000380026620251229184100.0251229s9999    xx            000 0 und d  a1901830004  aAFR Z 465.4 .C67           aWoodhall, M 0aCost- effectiveness of publishing education materials in African languages/ed by Maureen WoodhallcM Woodhall  aLondonb Working Groupc1997  aPublishers And Publishing -Africa