A. A. Hussain , A. O. Mostafa and M. K. Aouf 2019. Certain Subclasses of k - Uniformly Starlike and Convex Functions Defined by Convolution with Varying Arguments of Coefficients. Journal of Pure & Applied Sciences . 18, 4 (Dec. 2019). DOI:https://doi.org/10.51984/jopas.v18i4.526.