Ohia G.N.C et al <br/><br/>
Comprehensive Certificate Chemistry 
/ G.N.C.Ohia et al 
 - 2nd ed 
 - Ibadan, Nigeria;  University Press PLC;  2005 
 - xvi,472p.ill;  23.2cm 
<br/><br/><label>ISBN: </label>978-030-830 X