All 2006 2005 2004
All Journal Article Book
農業経営研究 43・4
Pages: 5-16
10017983801
Japanese Journal of Farm Management 43.4
Tohoku Nogyo Keizaigaku Kenkyu 23.2
Pages: 3-14
東北農業経済学研究 23・2
Association of Agriculture and Forestry Statistics
Pages: 231-231