https://bku.untad.ac.id/ https://tpid.pekanbaru.go.id/ https://heylink.me/jagungbetslot88uangasli/

Gaya APA

pick, J, B. (2005). Geographic Information Systems in Business . United States of Amerika: Idea Group Inc.

Gaya MLA

pick, James, B.. "Geographic Information Systems in Business". United States of Amerika: Idea Group Inc, 2005. Sistem Informasi S1.