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Family name Doyama (Doyama
) , across the world, is quite a common surname. The surname Doyama is habitual in Japan, where it is quite a rare surname, and Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Doyama | Canada, Brazil, India, Japan, United States |
Tsuchiyama, Tsuyama, Tuyama, ドヤマ, and 土山
| masao doyama Ph.D. University of Illinois at Urbana-Champaign 1962 |
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| julio toshimi doyama researcher |
|
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| hisashi doyama researcher (ORCID 0000-0002-7457-0167) |
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Ms, Nilza, Haruo, Hideo, Isamu, Yasuo, Yukio, Mayumi, Masato, Mamoru, Mitsuo, Sandra, Satomi, Simone, Koichi, Rafael, Janice, Toshio, Yoshio, Samanta, Kenichi, Kiyoshi, Takeo, Julio, Jason, Ligia, Ei, Ho, Mari, Saya, Anna, Akio, Koji, Ippu, Yuka, Zeni, Takashi, Mario, Mauro, Misao, Shoji, Scott, Akira, Aisei, Celia, Karen, Kachi, Kelly, Masao, and Takeshi