| Shiba seisanchi no jitsujoo hookoku to 2006 nendo shunki taikai no kadai no saitoogi ([Report on facts of turf production areas and a rediscussion of the spring 2006 conference])
| Yamada, Takao. 2007. Journal of Japanese Society of Turfgrass Science. 35(2): p. 116-117.
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| Bentoguriin no mo, koke taisaku to sacchi kontorooru: Zenkoku genba kara no repooto ([Bentgreen algae and moss countermeasures and thatch control: Reports from around the world])
| Yamada, Takao. 2007. Journal of Japanese Society of Turfgrass Science. 35(1): p. 38-44.
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| Gorufujoo kanrisha ga motomeru shibafu kenkyuu ([Lawn research sought by golf course managers])
| Yamada, Takao. 2006. Journal of Japanese Society of Turfgrass Science. 34(2): p. 127-128.
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| Ima, gorufujoo jitsumusha ga motomeru shibakusa kenkyuu ([The research golf course officials are seeking right now])
| Yamada, Takao. 2006. Journal of Japanese Society of Turfgrass Science. 34(1): p. 48-51.
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