“PERFORMANCE ANALYSIS OF PROPORTIONAL INTEGRAL DERIVATIVE CONTROLLER WITH DELAYED EXTERNAL RESET AND PROPORTIONAL INTEGRAL DERIVATIVE CONTROLLER FOR TIME DELAY PROCESS”. REVUE ROUMAINE DES SCIENCES TECHNIQUES — SÉRIE ÉLECTROTECHNIQUE ET ÉNERGÉTIQUE, vol. 66, no. 4, Jan. 2022, pp. 267-73, https://journal.iem.pub.ro/rrst-ee/article/view/48.