Materias primas para la siderurgia carbón mineral colombiano /
I tiakina i:
| Kaituhi matua: | |
|---|---|
| Hōputu: | Pukapuka |
| I whakaputaina: |
Buenos Aires :
Ministerio de Economía,
1976.
|
| Ngā marau: | |
| Ngā Tūtohu: |
Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!
|
Me noho koe te mea tuatahi ki te waiho tākupu!