Ari Suryansyah, and Adi Safyan. “Perhitungan OTTV (Overall Thermal Transfer Value) Pada Kantor DPRK Lhokseumawe”. Jurnal Ilmiah Teknik Unida, vol. 5, no. 1, July 2024, pp. 82-95, doi:10.55616/jitu.v5i1.790.