SEDAYU, A. .; PURWANTO, P. Pelabelan skolem graceful pada graf (S_n,r). Jurnal MIPA dan Pembelajarannya (JMIPAP), [S. l.], v. 2, n. 10, 2023. DOI: 10.17977/um067v2i10p%p. Disponível em: http://journal3.um.ac.id/index.php/mipa/article/view/3647. Acesso em: 3 jul. 2024.