Hyun Shin, Jin, Won Gyu, and Sang Soo Lee. “Properties of Lightweight Matrix Using Industrial by-Products According to Mixing Ratio of NaOH and KOH”. International Journal of Engineering & Technology 7, no. 3.34 (September 1, 2018): 576–579. Accessed December 22, 2024. https://sciencepubco.com/index.php/ijet/article/view/19385.