https://ult.fmipa.uho.ac.id/wp-content/upgrade/
[1]
Alsait, A. and Alabbar, N. 2019. Fekete -Szego Problem for Starlike of Complex functions of Order Related  to Generalized  Derivative Operator    . Journal of Humanitarian and Applied Sciences . 4, 8 (Dec. 2019), 321–331.