The publisher 

 - Ibadan:  Nigerian Publishers Association, 
 - 3(1-2), 1995; 4(1), 1996; 5(1), 1997; 10(1), 2003; 11(1), 2004; 12(1), 2005; 13(1), 2006; 14(1), 2007 
<br/><br/><label>ISSN: </label>0331-7714 
<br/><br/><label>LC Class. No.: </label>Z1  / .P83