Ofreneo, R.
(2021).
 Isabelo delos Reyes and the Organized Labor Movement.
<em>Philippine Journal Of Labor And Industrial Relations, 18</em>.
Retrieved from <a href="https://journals.upd.edu.ph/index.php/pjlir/article/view/7941" target="_new">https://journals.upd.edu.ph/index.php/pjlir/article/view/7941</a>