Faurizki, Hildan Fahrizal Nur, et al. “Influence of Confined Channel on the Self-Starting Capability of Twin Counter-Rotating Savonius Hydrokinetic Turbines in Tandem Arrangement”. The International Journal of Mechanical Engineering and Sciences, vol. 10, no. 2, Sept. 2026, doi:10.12962/j25807471.v10i2.10287.