Zoleta, Irene A. <br/><br/>
An investigation on colorings induced by low index subgroups of some hyperbolic groups / 
Irene A. Zoleta 
 - Laoag City:  MMSU,  2019. 
 - x, 44 leaves:  28 cm 
<br/><br/> Thesis (MS in Mathematics) 
<br/><br/>Bibliography: leaves 33-34