“…Recently, Srivastava et al (see, e.g., [15,31,34,35] published a set of papers, in which they concentrated on the class of q-starlike functions related to the Janowski functions from different aspects. For some more recent investigations on q-calculus, we refer to [13,16,27,29,33]. In this paper, we mainly generalize the work presented in Srivastava et al [32].…”