Ubay, Nur, Prodi Teknik Sipil Fakultas Teknik, Universitas 17 Agustus 1945 Samarinda (Indonesia)
Departemen of Civil Engineering Faculty of Engineering University of 17 Agustus 1945 Samarinda Jl. Ir. H. Juanda No. 80 P 75124 Samarinda, East Kalimantan 75124 Phone : +62541743390
