Menaga Thmil Selvan et al. 2026. Optimizing nanocrystalline cellulose extraction from cigarette filters via sulfuric acid hydrolysis using Box-Behnken design. International Journal of Nanoelectronics and Materials (IJNeaM) . 19, 2 (Apr. 2026), 233–240. DOI:https://doi.org/10.58915/ijneam.v19i2.3095.