Mera Otoya EP, Tello Canchingre FG, Mendoza Proaño WI. Low-cost automation for improving reliability in institutional hydropneumatic systems: a case study in Esmeraldas, Ecuador. EKSIGMA [Internet]. 2025 Jan. 15 [cited 2026 Jul. 28];1(1):34-49. Available from: https://eksigma.com/index.php/principal/article/view/23