The Effect of Different Ratio Bottom Ash and Fly Ash Geopolymer Brick on Mechanical Properties for Non-loading ApplicationLaila Mardiah Deraman, Mohd Mustafa Al Bakri Abdullah, Liew Yun Ming, Kamarudin Hussin, Wan Mastura Wan Ibrahim and Andrei Victor SanduMATEC Web Conf., 97 (2017) 01017DOI: https://doi.org/10.1051/matecconf/20179701017