Chukwudi, Ugochukwu, Stanley, Eze, Gideon Chigozie, Akabogu, Samuel Chukwujekwu, and Abubakar, Balarabe Hadiza. 2017. “The Correlation Between Foreign Exchange Rates and Prices of Building Materials in Nigeria, 2011-2017”. The International Journal of Business & Management 5 (10). https://internationaljournalcorner.com/index.php/theijbm/article/view/125415.