Manokhoon, P., and T. Rangseesuriyachai. “Effects of Salt-Assisted (Ferric Chloride) Steam Versus Salt-Assisted Microwave Pretreatments on Delignification and Morphology of Napier Grass (Pennisetum purpureum)”. Science and Engineering Connect, vol. 43, no. 4, Dec. 2020, pp. 529-40, https://ph04.tci-thaijo.org/index.php/SEC/article/view/10691.