MUHAMMAD, Damris.
 Characterisation of Arsenic Distribution in the Contaminated Sediments Using Principal Component Analysis based on The Four-Step Extraction Protocol.
<strong>Jurnal ILMU DASAR</strong>, [S.l.], v. 9, n. 2, p. 114-119, july 2008.
ISSN 2442-5613.
Available at: &lt;<a href="https://jurnal.unej.ac.id/index.php/JID/article/view/135" target="_new">https://jurnal.unej.ac.id/index.php/JID/article/view/135</a>&gt;. Date accessed: 07 may 2024.