Tsagifa, Faiqa Haura, Edi Nasra, Hary Sanjaya, Sherly Kasuma Warda Ningsih, and Muhammad Iqbal Saputra Gemasih. 2026. “Kinetics and Mass Transfer of Methylene Blue Adsorption onto EDA Cu2+-Functionalized Fly Ash Silica Xerogel”. Hydrogen: Jurnal Kependidikan Kimia 14 (4). https://doi.org/10.33394/hjkk.v14i4.21972.