Rahman Sayuti, A., Rahmati, R., Agustania, S., Herawati, N., & Ahmad Roni, K. (2019). Effect of delignification and treatment of fermentation on bioetanol percent levels from coconut fabrics. International Journal of Engineering & Technology, 7(4), 5218-5224. https://doi.org/10.14419/ijet.v7i4.20075