SABIR, Pishtiwan O..
 Notes on Extension of Fuzzy Complex Sets.
<strong>Tikrit Journal of Pure Science</strong>, [S.l.], v. 22, n. 9, p. 88-93, oct. 2018.
ISSN 2415-1726.
Available at: &lt;<a href="http://tjps.tu.edu.iq/index.php/j/article/view/686" target="_new">http://tjps.tu.edu.iq/index.php/j/article/view/686</a>&gt;. Date accessed: 29 nov. 2019.
doi: <a href="http://dx.doi.org/10.25130/j.v22i9.686">http://dx.doi.org/10.25130/j.v22i9.686</a>.