Yazar
ryota koyama
4 cilt bulundu.
Tomio Yūki, Ryōta Koyama · Ie no Hikari Kyōkai
223 sayfa · 2012
Cooperative Agriculture / Disaster relief / Agricultural development projects / Tohoku Earthquake and Tsunami, Japan, 2011
Ryōta Koyama, Tomomi Komatsu · Shin Nihon Shuppansha
254 sayfa · 2013
Nuclear accidents and agriculture / History / Fukushima Nuclear Disaster, Japan, 2011 / Agriculture / Fukushimaken-Nōgyō
Takeshi Hamada, Ryōta Koyama, Masahiro Hayajiri · Misuzu Shobō
336 sayfa · 2015
Gyogyō-Fukushimaken / Fukushimaken-Nōgyō / Saigai fukkō / Ringyō-Fukushimaken / Radioactive pollution
Ryōichi Hoshi, Noritsugu Fujimoto, Ryōta Koyama · Yayınevi bilinmiyor
226 sayfa · 2014
Disaster relief / Nuclear power plants / Accidents / History / Fukushima Nuclear Disaster, Japan, 2011