S. SUNITHA; S. CHANDRA KUMAR. Some notes on isolated signed total domination number for digraphs. Malaya Journal of Matematik, India, v. 8, n. 04, p. 2356–2358, 2020. DOI: 10.26637/MJM0804/0182. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1919. Acesso em: 22 nov. 2024.