Yuly Saptomo, Wawan Wawan Laksito. “Aplikasi Ortogonalitas Pada Proses Perencanaan”. Jurnal Ilmiah SINUS 2, no. 2 (September 10, 2014). Accessed May 14, 2026. https://ejournal.tsu.ac.id/index.php/e-jurnal_SINUS/article/view/141.