Miranda, E.
(2010).
 Ang mga Kilusang radikal 1890-1990: Ilang Mahahalagang Tala.
<em>Philippine Social Sciences Review, </em>.
Retrieved from <a href="https://www.journals.upd.edu.ph/index.php/pssr/article/view/1690" target="_new">https://www.journals.upd.edu.ph/index.php/pssr/article/view/1690</a>