Menaga Thmil Selvan, et al. “Optimizing Nanocrystalline Cellulose Extraction from Cigarette Filters via Sulfuric Acid Hydrolysis Using Box-Behnken Design”. International Journal of Nanoelectronics and Materials (IJNeaM) , vol. 19, no. 2, Apr. 2026, pp. 233-40, https://ejournal.unimap.edu.my/index.php/ijneam/article/view/3095.