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Economic potentials, challenges and opportunities for sustainable mining in Wollo
opal
mining
, Ethiopia
Eneyew, Demessie Mulu
;
Adamu, Anteneh Yayeh
;
Abebe, …
- In:
Mineral economics : raw materials report
38
(
2025
)
2
,
pp. 273-286
Persistent link: https://www.econbiz.de/10015450725
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