OTHMAN, Norazli et al.
Comparative Content of Harmful Substances Contained In the Raw Material for Various Types of Printing Ink.
<strong>International Journal of Research in Science</strong>, [S.l.], v. 3, n. 4, p. 7-12, dec. 2017.
ISSN 2412-4389.
Available at: &lt;<a href="https://www.researchplusjournal.com/index.php/IJRS/article/view/340" target="_new">https://www.researchplusjournal.com/index.php/IJRS/article/view/340</a>&gt;. Date accessed: 12 june 2026.
doi: <a href="http://dx.doi.org/10.24178/ijrs.2017.3.4.07">http://dx.doi.org/10.24178/ijrs.2017.3.4.07</a>.