TY - JOUR T1 - Effectiveness Analysis of Insulation and Roof Covering Material in Office Flat Roof AU - Rossy Armyn Machfudiyanto,Leni Sagita Riantini,Titi Sari Nurul Rachmawati,Ayomi Dita Rarasati,Mochamad Daffa Alfiansyah Rachman JO - International Journal of Technology VL - 14 IS - 7 SP - 291 EP - 319 PY - 2023 DA - 2023/12/07 SN - 2087-2100 DO - https://doi.org/10.14716/ijtech.v14i7.6665 UR - https://ijtech.eng.ui.ac.id/article/view/6665