Cite
APA Citation
Xia, Y., & Zhang, L. (Eds.) (2019). Services – SERVICES 2019 : 15th World Congress, held as part of the Services Conference Federation, SCF 2019, San Diego, CA, USA, June 25–30, 2019 : Proceedings. Cham : Springer. http://access.bl.uk/ark:/81055/vdc_100083443816.0x000001