Agustiawan, H. et al. 2017. Kajian Kelayakan dan Resiko Investasi Bus Trans Padang. Jurnal Rekayasa Sipil (JRS-Unand). 13, 2 (Oct. 2017), 67–78. DOI:https://doi.org/10.25077/jrs.13.2.67-78.2017.