Gaya APA
Indonesia., ., Jigyōdan., K, K. (1984).
Feasibility study on the volcanic debris control and water conservation project in the southeastern slope of Mt. Semeru: interim report .
io:
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Gaya MLA
Indonesia., ., Jigyōdan., Kokusai, Kyōryoku.
"Feasibility study on the volcanic debris control and water conservation project in the southeastern slope of Mt. Semeru: interim report".
io:
,
1984.
print.