TUSHAR J BHATT; G. C. BHIMANI. Perfect domination number of path graph $P_n$ and its Corona product with another path graph $P_{n-1}$. Malaya Journal of Matematik, India, v. 9, n. 01, p. 118–123, 2021. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/983. Acesso em: 16 jul. 2024.