Listiani, Etma, et al. “Exploration of Natural Dye Plants in Kumpang Ilong Village, Belitang Hulu District, Sekadau Regency”. Hydrogen: Jurnal Kependidikan Kimia, vol. 12, no. 5, Oct. 2024, pp. 1022-46, doi:10.33394/hjkk.v12i5.12916.