1
2
by Ursal, Sofronio B.
Published 2013
Book
3
by Ursal, Sofronio B.
Published in Philippine Panorama (2009)
Article
5
by Ursal, Sofronio B.
Published 2006
Book
6
Published 2004
Book
7
Published 2004
Book
8
by Ursal, Sofronio B.
Published 2003
Book
9
by Ursal, Sofronio B.
Published 2001
Book
10
by Ursal, Sofronio B.
Published 2000
Book