If you build it will they come? three steps to test and validate any market opportunity /

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Adams, Rob
Kaituhi rangatōpū: ebrary, Inc
Hōputu: Tāhiko īPukapuka
Reo:Ingarihi
I whakaputaina: Hoboken : John Wiley & Sons, Inc., 2010.
Ngā marau:
Urunga tuihono:An electronic book accessible through the World Wide Web; click to view
Ngā Tūtohu: Tāpirihia he Tūtohu
Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!
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