Erwanto, Erwanto, Arya Ananda Saputra, and Muhammad Rakha Abimanyu. 2025. “Synthesis and Characterization of Porous Polymer As a Support Matrix for Lipase Immobilization”. Hydrogen: Jurnal Kependidikan Kimia 13 (4):743-51. https://doi.org/10.33394/hjkk.v13i4.16864.