CASTILLO, Ramon G.. SUBJECT TRENDS ANALYSIS OF THESES SUBMITTED TO THE UNIVERSITY OF THE PHILIPPINES SCHOOL OF LIBRARY AND INFORMATION STUDIES (UP SLIS) 2001-2006. Journal of Philippine Librarianship, [S.l.], jan. 2009. ISSN 0022-359X. Available at: <https://www.journals.upd.edu.ph/index.php/jpl/article/view/1162>. Date accessed: 06 sep. 2025.