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Vol.104 No.3 pp.235-242 Analysis about Technological Utilization in COVID-19 Pandemic [ ![]() Koichiro YAMASHITA | Summary | Full Text:PDF(1.8MB) |
Vol.104 No.2 pp.130-140 Analysis about Technological Utilization in COVID-19 Pandemic[ ![]() Koichiro YAMASHITA | Summary | Full Text:PDF(2.7MB) |
Vol.104 No.1 pp.27-34 Open Access Analysis about Technological Utilization in COVID-19 Pandemic [ ![]() Koichiro YAMASHITA | Summary | FreeFull Text:PDF(1.8MB) |