RAJENDRA PRASAD K C; NIRANJAN K M; VENKANAGOUDA M GOUDAR. Vertex semi-middle graph of a graph. Malaya Journal of Matematik, India, v. 7, n. 04, p. 786–789, 2019. DOI: 10.26637/MJM0704/0025. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1270. Acesso em: 16 jul. 2024.