@incollection{Saisho21, author = {Tetsuro Saisho}, title = {Crowdsourcing Strategy of Information Society}, booktitle = {e-Services}, publisher = {IntechOpen}, address = {Rijeka}, year = {2021}, editor = {Sam Goundar}, chapter = {9}, doi = {10.5772/intechopen.89665}, url = {https://doi.org/10.5772/intechopen.89665} }