Oladipo, Oladipo, and Francis Olukayode. 2015. “An Assessment of the Relationship Between Macro-Economic Indicators and Prices of Building Materials in Nigerian Construction Industry”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 24 (6):112-23. https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/4852.