Porwal, Saurabh, and Gangadharan MURUGUSUNDARAMOORTHY. 2020. “Univalent Functions With Positive Coefficients Involving Touchard Polynomials”. Al-Qadisiyah Journal of Pure Science 25 (4), Math.1-8. https://doi.org/10.29350/qjps.2020.25.4.1176.