Albano, Jonellyn S.  <br/><br/>
On singularity of graphs 
Jonellyn S. Albano 
 -  2009 
 - viii, 33 leaves   28 cm. 
<br/><br/> Thesis (M.A. Math) -- Mariano Marcos State University-Graduate School, Laoag City 
<br/><br/>Bibliography: leaf 33