Olubunmi A. Fadipe-Joseph, et al. “Q-Derivative of Modifie Tremblay Operator”. International Journal of Formal Sciences: Current and Future Research Trends, vol. 3, no. 01, Oct. 2019, pp. 1-8, https://ijfscfrtjournal.isrra.org/Formal_Sciences_Journal/article/view/560.