Popular locations in this country : Tokyo 70 Osaka 26 Fukuoka 18 Kyoto 17 Kobe 11 Sapporo 11 Yokohama 4 Okinawa 4 Nagoya 4 Hiroshima 3
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Tokyo, Japan
Computer science Computer software and applications
Okinawa , Japan
Mathematics and Statistics Calculus, Differential Equations and Integration