New directions in mineral development policies  report of an international workshop held at Bagauda, near Kano, Nigeia, 8-10 September 1975 
prepared by D. J. C. Laming and D. E. Ajakaiye 
 - St. Johns Newfoundland  Association of Geoscientists for International Development  1977 
 - viii, 224p.  ill,  25cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mines and mineral resources<br/>Mines and mineral resources--Developing Countries