Muliawati, N. T. (2026) “Approaches for Spatholobus littoralis: Comparative Efficiency of Ultrasound- and Microwave-Assisted Extraction Techniques and Its Statistical Analysis”, Hydrogen: Jurnal Kependidikan Kimia, 14(3), pp. 682–691. doi: 10.33394/hjkk.v14i3.20353.