Name : Dr. Ratnasari Ramlan, ST, MT.
Expertise Area : Transportation Engineering and Management
E-mail : ratnasari@gmail.com
Affiliation : Universitas Tadulako
Link : 
Civil Engineering Department Tadulako University
Jl. Soekarno Hatta Km. 9 Palu
Central Sulawesi 94119
E-mail: rekonstruksi.tadulako@gmail.com
This work is licensed under a Creative Commons Attribution 4.0 International License
PUBLISHER: Civil Engineering Department, Engineering Faculty, Tadulako University
In collaboration with: Indonesian Society for Geotechnical Engineering, Regional Commissariat of Central Sulawesi
and Indonesia Transportation Society, Central Sulawesi
