Links
- SAFECAST
- Japan Science and Technology Agency
- NPO J-Ein ... Only Japanese version available
- Tsunoyam's Lab., Radioisotope Research Center, Kyoto University ... Only Japanese version available
- Gyoro Giger II - Gyoroman co,ltd ... Only Japanese version available
- Kyoto Koka Junior High School / Senior High School
- Kanagawa University High School ... Only Japanese version available
- Kyoto Girls' Junior and Senior High School ... Only Japanese version available
- Adachi High School, Fukushima Prefecture ... Only Japanese version available
- Fukushima High School, Fukushima Prefecture ... Only Japanese version available
- Kitasuma High School, Hyogo Prefecture