Pasion, Raymund M. <br/><br/>
Yang pagbul'lok-bul'lok:   varyasyon ng wikang mandaya sa ilang munisipalidad ng Davao Oriental 
Raymund M. Pasion 
 - Iligan City  Mindanao State University-Iligan Institute of Technology  2013 
 - xv, 249p. 
<br/><br/>Doctor of Philosophy 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Filipino
<br/><br/><label>LC Class. No.: </label>T-01579