ISMEAL, Zainab Yousif; SALLOOM, Maher Yahya. A Comparison of the Performance Characteristics of Conventional and Proportional Valves Applied for Synchronizing Hydraulic Cylinders. Engineering, Technology & Applied Science Research, Greece, v. 15, n. 4, p. 24912–24923, 2025. DOI: 10.48084/etasr.11347. Disponível em: https://mail.etasr.com/index.php/ETASR/article/view/11347. Acesso em: 30 may. 2026.