ABDULLAH, Mohd Fauzi.
 Physicochemical and Adsorption Properties of Guava Leaves-Activated Carbon by Hydrochloric Acid on Adsorption of Methylene Blue.
<strong>Scientific Research Journal</strong>, [S.l.], v. 20, n. 1, p. 33-49, mar. 2023.
ISSN 2289-649X.
Available at: &lt;<a href="https://myjms.mohe.gov.my/index.php/SRJ/article/view/20669" target="_new">https://myjms.mohe.gov.my/index.php/SRJ/article/view/20669</a>&gt;. Date accessed: 15 sep. 2024.
doi: <a href="https://doi.org/10.24191/srj.v20i1.20669">https://doi.org/10.24191/srj.v20i1.20669</a>.