Polinomial karakteristik matriks antiadjacency dari graf lingkaran berarah 𝐶𝑛⃗⃗⃗⃗ dan graf lingkaran berarah dengan penambahan satu chord 𝐶𝑛𝑡⃗⃗⃗⃗ = Antiadjacency matrix characteristic polynomial of a directed cycle graph 𝐶𝑛⃗⃗⃗⃗ and directed cycle graph with one chord 𝐶𝑛 / Adi Prasinda Putra - Adi Prasinda Putra, author (2015)