1
2
3
by Agence France Presse
Published in Philippine Star (2020)
Article
5
by Carpio, Alma Anonas
Published in Philippine Graphic (2015)
Article
6
by Levina, Marina 1975-
Published 2015
Book
7
by Vaughan, Brian K.
Published 2013
Book
8
Published 2013
Book
9
by Arguelles, Mar
Published in Philippine Daily Inquirer (2012)
Article
10
by Jannaral, Julmunir I.
Published in Manila Times (2012)
Article
11
Published 2010
Book
12
Article
13
by Hannon, Bruce M.
Published 2009
Book
14
15
18
Published 2005
Book
19
20