Strength Performance on Different Mix of Cement-Sand Ratio and Sand Condition for Lightweight Foamed ConcreteYee Ling Lee, Cher Siang Tan, Siong Kang Lim, Shahrin Mohammad and Jee Hock LimE3S Web Conf., 65 (2018) 02006DOI: https://doi.org/10.1051/e3sconf/20186502006