@article{oai:repository.ffpri.go.jp:02002531,
 author = {Hayafune Masato and 早舩, 真智},
 issue = {2},
 journal = {Journal of the Japanese Forest Society, 日本森林学会誌},
 month = {Feb},
 pages = {45--53},
 title = {Grouping Structure of Small- and Medium-Scale Forest Owners in Sweden, Finland and Germany:Regional Characteristics of PEFC Group Certification},
 volume = {105},
 year = {2023}
}