2
3
by Labana, Ryan V.
Published in Philippine Graphic (2017)
Article
5
6
by Tria, Wilmer Joseph S.
Published 2014
Book
7
9
by Moran, Donna Hope Lim
Published 2006
Thesis
10
by Mintz, Malcolm Warren
Published 2004
Book
11
Published 2003
Book
12
14
15
16
Published 2000
Book
17
18
by Silverio, Julio F.
Published 1980
Book
19
by Silverio, Julio F.
Published 1980
Book
20
by Escalante, Antonio H.
Published 1978
Thesis