Prasetya, I. K., K. Rifki, and M. Ahsan. “AN INTEGRATED APPROACH OF GRA COUPLED WITH PRINCIPAL COMPONENT ANALYSIS FOR FRICTION STIR WELDED AM20 MAGNESIUM ALLOY”. BAREKENG: Jurnal Ilmu Matematika Dan Terapan, Vol. 17, no. 4, Dec. 2023, pp. 2033-46, doi:10.30598/barekengvol17iss4pp2033-2046.