Investigación tecnológica en el comercio y la industria /

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Lothrop, Warren C.
Hōputu: Pukapuka
I whakaputaina: México : Roble, 1964.
Ngā marau:
Ngā Tūtohu: Tāpirihia he Tūtohu
Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!