AL-JOURANY , K. H. H. The Approximate Solution To The Dynamics of The Observed-State Feed Back Control System by Walsh Functions. Baghdad College of Economic Sciences University Journal (BCESUJ), [S. l.], v. 72, n. 4, p. 255–263, 2023. Disponível em: https://bcuj.baghdadcollege.edu.iq/index.php/BCESUJ/article/view/298. Acesso em: 15 may. 2024.