SumarnoA., SyafwandiS., RizkyF., and SumiyatiS. “omparation tudy of the se aftalena from oal ar aste ith amper apthtalene s oncrete dmixture”. JTI nternational ournal of ransportation and nfrastructure ISSN 2597-4769 ISSN 2597-4734, ol. 3, no. 2, July 2020, pp. 99-108, doi:10.29138/ijti.v3i2.1061.