Valdez, Myrna L.  <br/><br/>
Meeting Combinations and Interval Graphs 
Myrna L. Valdez 
 -  2008 
 - ix, [33] leaves   28 cm. 
<br/><br/> Thesis (M.A. Math) -- Mariano Marcos State University-Graduate School, Laoag City 
<br/><br/>Bibliography: leaf 33