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

Calne, D, B. (2004). Batas nalar . Jakarta: Kepustakaan Populer Gramedia.

Gaya MLA

Calne, Donald, B.. "Batas nalar". Jakarta: Kepustakaan Populer Gramedia, 2004. UMUM.