“LJUNG-BOX AUTOREGRESSIVE MODEL FOR THE RETURNS OF THREE NIGERIAN INSURANCE COMPANIES’ STOCKS”.
FULafia Journal of Science and Technology 5, no. 2 (December 31, 2019): 169–175. Accessed July 15, 2026.
https://lafiascijournals.org.ng/index.php/fjst/article/view/200.