1
Published in Philippine Star (2008)
Article
3
Published in Manila Bulletin (2006)
Article
4
5
6
Published in Manila Bulletin (2000)
Article
7
Published 1998
Conference Proceeding Book
9
Published 1985
Book
10
11
12
by Lanz, Sally J.
Published 1983
Book
13
16
Published 1972
Book
17
Published 1964
Book
18
Book
19
Conference Proceeding Book