“SIMULATION OF OPTIMAL MIX OF SIO2-TIO2-AL2O3 NANO ADDITIVES FOR THE MINIMAL WEAR AND COEFFICIENT OF FRICTION OF LUBRICANT USING FUZZY LOGIC”, J. Teknol., vol. 86, no. 1, pp. 125–133, Nov. 2023, doi: 10.11113/jurnalteknologi.v86.20402.