Efiok, Bassey J. S. <br/><br/>
Basic calculations for chemical and biological analysis / 
Bassey J. S. Efiok 
 - (s.l.) :  AOAC International,  1993 
 - 135 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0935584518 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry, Analytic--Qualitative