David, R.
(2013).
 Science in the Modern World.
<em>Diliman Review, 55</em>(1-4).
Retrieved from <a href="https://www.journals.upd.edu.ph/index.php/dilimanreview/article/view/3568" target="_new">https://www.journals.upd.edu.ph/index.php/dilimanreview/article/view/3568</a>