Z. Rustam, J. E. Aurelia, F. Novkaniza, S. Hartini, R. Hidayat, and M. Ezziyyani, “An Analysis of Several Optimizers on CNNSVM and CNNRF for COVID–19 Chest X–ray Images”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 13, no. 4, pp. 1486–1491, Aug. 2023.