“…In this direction, many authors have proposed different approaches to investigate the stability of solutions of third-order DDEs. We can mention the papers of Ademola et al [4,5], Graef and Tunç [8], Mahmoud [11], Omeike [17], Oudjedi et al [18], Remili et al [20,21], Sadek [23], Shekhar et al [24], Tunç [25][26][27][28][29] and the references cited therein.…”