Ferreira de Freitas, N. (2012). Environmental needs and concerns of Metso mining's clients in Brazil.
Chicago-viite (17. p.)Ferreira de Freitas, Natalia. Environmental Needs and Concerns of Metso Mining's Clients in Brazil. Jyväskylä, 2012.
MLA-viite (9. p.)Ferreira de Freitas, Natalia. Environmental Needs and Concerns of Metso Mining's Clients in Brazil. 2012.
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