ZIGA, Lorenzo B.. Ambition, Cooptation, and Betrayal in the Formative Years of the Philippine Labor Movement. Philippine Journal of Labor and Industrial Relations, [S.l.], v. 37, p. 146-171, oct. 2023. ISSN 0115-6373. Available at: <https://journals.upd.edu.ph/index.php/pjlir/article/view/9314>. Date accessed: 08 sep. 2025.