@article{oai:chikyu.repo.nii.ac.jp:00003821,
 author = {伊藤, 竜生 and Ito, Ryusei},
 issue = {1},
 journal = {SANITATION VALUE CHAIN, SANITATION VALUE CHAIN},
 month = {Mar},
 note = {application/pdf},
 pages = {2--2},
 title = {Preface to the Special Issue on Technologies for Making Sanitation Value Chain},
 volume = {4},
 year = {2020},
 yomi = {イトウ, リュウセイ}
}