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APA Citation
Mostafa Shaaban, A., Anitescu, C., Atroshchenko, E., & Rabczuk, T. (2020). shape optimization by conventional and extended isogeometric boundary element method with PSO for two-dimensional Helmholtz acoustic problems. Engineering analysis with boundary elements, 113, 156–169. http://access.bl.uk/ark:/81055/vdc_100101586076.0x000028