TY - JOUR T1 - BIM-driven energy performance simulation for smart and sustainable retrofitting of aging structures JO - Matéria (Rio de Janeiro) A1 - Pushpanathan, Ganeshan A1 - Raj, Jeswin Roshini Joseph Paul A1 - Pushpanathan, Ramshankar A1 - Kandhasamy, Raja SN - 1517-7076 UL - 10.1590/1517-7076-RMAT-2025-0236 VL - 31 Y1 - 2026 PB - Brasil ER -