Modeling and Simulation of Hydraulic Proportional Control Valves with Different Types of Controllers. Al-Khwarizmi Engineering Journal, [S. l.], v. 20, n. 2, p. 56–64, 2024. DOI: 10.22153/kej.2024.03.001. Disponível em: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/912.. Acesso em: 16 sep. 2024.