Rosida, Z. Abidin, and Sri Sugiarti, “Synthesis of Geopolymer-Zeolite Granule Composite from Local Raw Materials Using the Hydrothermal Method as Methylene Blue Adsorbent”, J. Il. Tan. Lingk., vol. 26, no. 1, pp. 29–39, Apr. 2024, doi: 10.29244/jitl.26.1.29-39.