Budiasih, K.S. et al. 2023. Silica Modified Natural Dye of Caesalpinnia sappan l. on Cotton Fabrics. al Kimiya: Jurnal Ilmu Kimia dan Terapan. 10, 1 (Jun. 2023), 31–39. DOI:https://doi.org/10.15575/ak.v10i1.24578.