NABILA, Anggi; MASRIANI; HADI, Lukman; TOBING, Aldi; BUDI, Firman Shantya. Influence of Solvent Polarity on Extract Yield and Phytochemical Profile of Kratom Leaves (Mitragyna speciosa). Hydrogen: Jurnal Kependidikan Kimia, [S. l.], v. 14, n. 4, 2026. DOI: 10.33394/hjkk.v14i4.22148. Disponível em: https://e-journal.undikma.ac.id/index.php/hydrogen/article/view/22148. Acesso em: 20 sep. 2026.