Kissi, Ernest, Theophilus Adjei-Kumi, Peter Amoah, and Jerry Gyimah. 2018. “Forecasting Construction Tender Price Index in Ghana Using Autoregressive Integrated Moving Average With Exogenous Variables Model”. Construction Economics and Building 18 (1), 70-82. https://doi.org/10.5130/AJCEB.v18i1.5604.