BasoekiM. and KoespiadiK. (2019) “The Engineering and Economic Feasibility Aplication of Bioconc on Concrete Quality Treatment in Low Heat Concrete”, IJIEEB International Journal of Integrated Education, Engineering and Business eISSN 2615-1596 pISSN 2615-2312, 2(1), pp. 16-26. doi: 10.29138/ijieeb.v2i1.808.