Sitohang, R.; Manurung, P. .; Suciyati, S. W. .; Karo, P. K. The Effect of H2SO4 Variations on the Synthesis and Characterization of Nanocellulose Using Pineapple Peel Fiber. J. Energy Mater. Instrum. Technol. 2024, 5, 43-49.