https://dispora.pekanbaru.go.id/ https://iran.unhabitat.org/ https://labkes.pekanbaru.go.id/ https://phki.untan.ac.id/ https://feb.untan.ac.id/ https://heylink.me/jagungbetslot88uangasli/

Gaya APA

Huggins, R., Izushi, H. (2011). Competition,competitive advantage and clusters : The ideas of micheal porter . New York: oxford university press.

Gaya MLA

Huggins, Robert., Izushi, Hiro. "Competition,competitive advantage and clusters : The ideas of micheal porter". New York: oxford university press, 2011. UMUM.