“TINJAUAN PENAMBAHAN ABU BATU BARA SAWAHLUNTO TERHADAP KARAKTERISTIK BATAKO”. Jurnal Applied Science in Civil Engineering 3, no. 3 (October 31, 2022): 220–226. Accessed October 23, 2026. http://asce.ppj.unp.ac.id/index.php/ASCE/article/view/499.