Quantification of road user savings

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Weille, Jan De
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: Washington : Johns Hopkins Press , c1966.
Rangatū:(World bank staff occasional papers no. 2)
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Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!