Case Study of Practice of the Tea Ceremony (Sado) through Distance Education - On the Ethics of ICT. - Sachiko Yanagihara; Hiroshi Koga (HCC, 2014)

The significance of ICT in the generation of code of conduct: from the perspective of polarization of ICT and organizational citizenship behavior. - Sachiko Yanagihara; Hiroshi Koga (SIGCAS Comput. Soc., 2015)

On the Taxonomy of Social Media Marketing Approach. - Hiroshi Koga; Sachiko Yanagihara (MISNC, 2018)

The Impact of Information Systems for Managing Working Hours on the Autonomy of Telecommuters in Japan. - Sachiko Yanagihara; Hiroshi Koga (MISNC, 2022)

On the Work Autonomy Supported by Information and Communication Technology A Case Study of Work from Home in Japan before the COVID-19 Epidemic. - Sachiko Yanagihara; Hiroshi Koga (Rev. Socionetwork Strateg., 2023)

Current Status and Challenges of Fully Working at Home Workers under COVID-19 Epidemic Results from Semi-Structured Interviews. - Hiroshi Koga; Sachiko Yanagihara (MISNC, 2024)