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Gaya APA

Shadiq, F. (2014). Ayo Belajar Memecahkan Masalah Logika . Yogyakarta: Yogyakarta: Graha Ilmu.

Gaya MLA

Shadiq, Fadjar. "Ayo Belajar Memecahkan Masalah Logika". Yogyakarta: Yogyakarta: Graha Ilmu, 2014. Text.