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Gaya APA

Purba, H, H. (2009). Inovasi Nilai Pelanggan Dalam Perencanaan dan Pengembangan Produk: Aplikasi Strategi Samudera Biru dalam Meraih Keunggulan . Yogyakarta: Graha Ilmu.

Gaya MLA

Purba, Humiras, Hardi. "Inovasi Nilai Pelanggan Dalam Perencanaan dan Pengembangan Produk: Aplikasi Strategi Samudera Biru dalam Meraih Keunggulan". Yogyakarta: Graha Ilmu, 2009. Text.