Effects of microbial agents to the properties of fly ash-based pasteKiki Dwi Wulandari, Januarti Jaya Ekaputri, Triwulan, Chikako Fujiyama and Davin H. E. SetiamargaMATEC Web Conf., 195 (2018) 01012DOI: https://doi.org/10.1051/matecconf/201819501012