Yazar
Shinji Wakamatsu
2 cilt bulundu.
Cilt sonuçları
Kankō ryūiki no kankyō osen kanri ni kansuru kenkyū
In-gu Kang, Shinji Wakamatsu, Akira Utsunomiya · Kankyōchō Kokuritsu Kankyō Kenkyūjo
81 sayfa · 1994
Water / Water quality / Pollution / Measurement