Adhitama, A.M. et al. 2026. Synthesis and Characterization of Sodium Lignosulfonate from Teak Wood Sawdust Lignin via Indirect Sulfonation. AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment). 10, 2 (Jun. 2026), 423–427. DOI:https://doi.org/10.29165/ajarcde.v10i2.1012.