Asqarova O`.M. <br/><br/>
Pedagogika:  Darslik / 
Asqarova O`.M. Xayitboyev M., Nishonov M.S. 
 - Toskent  Talqin,  2008. 
 - 288 p. 
<br/><br/><label>ISBN: </label>978-9943-325-41-8