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

Jain, S, C. (1997). Marketing planning & strategy (5th edition). United States of Amerika: South Western Publishing.

Gaya MLA

Jain, Subhash, C.. "Marketing planning & strategy". 5th edition United States of Amerika: South Western Publishing, 1997. UMUM.