"Khan, M. Ishaq." <br/><br/>
Biology alternative to practical :  year worked solution O level exam papers / 
M. Ishaq Khan. 
 - Lahore :  "Redspot Publishing,"  2007. 
 - various pagging p. : 
<br/><br/><label>LC Class. No.: </label>QH 308  / .B56 2007