KELTOUM, G. Model Reference Adaptive Controller for LTI Systems with Time-variant Delay. Engineering, Technology & Applied Science Research, Greece, v. 10, n. 3, p. 5619–5626, 2020. DOI: 10.48084/etasr.3427. Disponível em: https://www.etasr.com/index.php/ETASR/article/view/3427. Acesso em: 16 aug. 2022.