Juma, A. R. S., and F. S. Aziz. 2013. “SOME SUBORDINATION RESULTS ASSOCIATED WITH GENERALIZED RUSCHEWEYH DERIVATIVES”. Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO) 4 (1):119-26. https://ph03.tci-thaijo.org/index.php/jnao/article/view/2692.