Investigating the synergistic effects of Metakaolin and silica fume on the strength and durability of recycled aggregate concrete at elevated temperatures. - Haider, Imran; Yaqub, Muhammad; Inam, Inamullah; Ali, Tariq; Qureshi, Muhammad Zeeshan; Kahla, Nabil Ben; Ahmed, Anwar; Ahmed, Hawreen (Scientific Reports, 2025)