@article{oai:u-ryukyu.repo.nii.ac.jp:02006264, author = {池原, 真一 and Ikehara, Shinichi}, issue = {85}, journal = {琉大農家便り}, note = {紀要論文}, pages = {4--5}, title = {生産費を引き下げるにはどうすればよいか} }