Warning: file_get_contents(https://ojs.journalbusiness.my/ojs.php): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found
 in /var/www/ojs.unud.ac.id_backup/lib/pkp/includes/functions.inc.php on line 4
			ALFIRA, Muna et al.
 Analysis of Carbon Phase in Activated Coconut Shell Charcoal Based Teeth Whitening Using X-Ray Diffraction (XRD) Method.
<strong>BULETIN FISIKA</strong>, [S.l.], v. 25, n. 1, p. 124 – 129, feb. 2024.
ISSN 2580-9733.
Available at: &lt;<a href="https://ojs.unud.ac.id/index.php/buletinfisika/article/view/100553" target="_new">https://ojs.unud.ac.id/index.php/buletinfisika/article/view/100553</a>&gt;. Date accessed: 30 aug. 2026.
doi: <a href="https://doi.org/10.24843/BF.2024.V25.i01.p16">https://doi.org/10.24843/BF.2024.V25.i01.p16</a>.