Gheisari, Yousof <br/><br/>
Lift of 2-complexes from diagram groups over the semigroup presentations of integers / 
Yousof Gheisari. 
 -  2011. 
 - x, 111 p. :  ill. ;  30 cm. 
<br/><br/>Thesis (Ph.D.) - Universiti Kebangsaan Malaysia, 2011. 
<br/><br/>References : p. [109]-111. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Universiti Kebangsaan Malaysia--Dissertations.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group theory.<br/>Dissertations, Academic--Malaysia.<br/>Semigroups.<br/>Geometric group theory.<br/>Combinatorial group theory.