Some Viewpoints of Environmental Education from Development of Nature Conservation Education in Japan. ENVIRONMENTAL EDUCATION. 2009. 19. 1. 68-76
ITO Seiichi, OGAWA Kiyoshi. The Process of Establishing Conservation Education in Japan. ENVIRONMENTAL EDUCATION. 2008. 18. 1. 29-41
Reconsiderations of hybridization between the native and the introduced dandelions and its effects on bio indicator. MAN AND ENVIRONMENT. 2007. 33. 1. 2-12