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APA Citation
Ullah, R., Cheema, T. A., Saleem, A. S., Ahmad, S. M., Chattha, J. A., & Park, C. W. (2019). performance analysis of multi-stage gravitational water vortex turbine. Energy conversion and management, 198, . http://access.bl.uk/ark:/81055/vdc_100094429448.0x00003f