Mohamad@Muda, R., M. Z. . Mohd Alias, and R. Mohd Ghazi. “Removal of Methyl Red Using Chemical Impregnated Activated Carbon Prepared from Parkia Speciosa Pod (Petai) As a Potential Adsorbent”. Journal of Tropical Resources and Sustainable Science (JTRSS), vol. 5, no. 2, Dec. 2017, pp. 62-65, doi:10.47253/jtrss.v5i2.600.