Sumarno, A., Syafwandi, S., Rizky, F., & Sumiyati, S. (2020). Comparation Study of the Use Naftalena from Coal Tar Waste with Camper Napthtalene as Concrete Admixture. IJTI International Journal of Transportation and Infrastructure EISSN 2597-4769 PISSN 2597-4734, 3(2), 99-108. https://doi.org/10.29138/ijti.v3i2.1061