HART, Simon Emmanuel.
 Intellectual Capital and Organizational Performance of Oil Companies in Port Harcourt, Nigeria.
<strong>Journal of Advanced Research in Petroleum Technology &amp; Management</strong>, [S.l.], v. 4, n. 3&amp;4, p. 20-27, aug. 2021.
ISSN 2455-9180.
Available at: &lt;<a href="http://thejournalshouse.com/index.php/petroleum-tech-mngmt-adr-journal/article/view/248" target="_new">http://thejournalshouse.com/index.php/petroleum-tech-mngmt-adr-journal/article/view/248</a>&gt;. Date accessed: 29 apr. 2025.