Devi, D. S. ., S. Saloma, A. P. . Usman, A. . Saggaff, and M. . Ismail. “Characteristics of Nanomaterials Based on Waste Paper With Variations in Heating Temperature and NaOH Concentration”. Trends in Sciences, vol. 19, no. 18, Aug. 2022, p. 5815, doi:10.48048/tis.2022.5815.