CORDOVA, Hendra; JUSTIONO, Heri; MASDUKI, Ali. Nonlinear pH Control Based on Reaction Invariant and Self-Tuning PID Controller. IPTEK The Journal for Technology and Science, [S. l.], v. 20, n. 3, p. 115–122, 2025. Disponível em: https://journal.its.ac.id/index.php/jts/article/view/5884. Acesso em: 30 jan. 2026.