Sekai no genryōtan kyōkyū sōsu to Ajia Taiheiyō chiiki e no yushutsu nōryoku chōsa
Subtitle: kaigaitan kaihatsu kōdoka tō chōsa
Series: Heisei 25-nendo kaigaitan kaihatsu shien jigyō
Publisher: Sekiyu Tennen Gasu, Kinzoku Kōbutsu Shigen Kikō
Published: 2014
Place of publication: Tōkyō-to Minato-ku
Language: jpn
Number of pages: 286
Subjects: Coal trade
Notes: Summary in English.