S. KHALAF, Zena.; 						MOHAMMAD, , Azher. A..
 On stability Conditions of Burr X Autoregressive model.
<strong>Tikrit Journal of Pure Science</strong>, [S.l.], v. 24, n. 5, p. 91-96, sep. 2019.
ISSN 2415-1726.
Available at: &lt;<a href="http://tjps.tu.edu.iq/index.php/j/article/view/873" target="_new">http://tjps.tu.edu.iq/index.php/j/article/view/873</a>&gt;. Date accessed: 14 aug. 2021.
doi: <a href="http://dx.doi.org/10.25130/j.v24i5.873">http://dx.doi.org/10.25130/j.v24i5.873</a>.