Tamin, Rizal Z., Puti Farida Tamin, Faisol Shahab, Irika Widiasanti, and Adrianto Oktavianus. 2015. “Improving Indonesian Construction Consulting Services*”. Journal of Engineering and Technological Sciences 47 (2):189-200. https://doi.org/10.5614/j.eng.technol.sci.2015.47.2.8.