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

Haines, S, G. (2000). The systems thinking approach . United States of Amerika: CRC press LLC.

Gaya MLA

Haines, Stephen, G.. "The systems thinking approach". United States of Amerika: CRC press LLC, 2000. UMUM.