Adoption of Computational Response Surface Methodology (RSM) in Asphalt Research I. W. Sutapa, Hikmayani, G. R. Lempang, L. O. Kadidae, I. N. Sudiana, A. Bandjar International Journal of Acta Material Vol. 2 No. 2 2026 DOI 10.62749/ijactmat.v2i2.34