WARNIASIH, K.; INDAHSARI, . S. N.; NOVIANTO, V. Analysis of Level of Academic Procrastination on Mathematics Assignments. Research and Innovation in Social Science Education Journal (RISSEJ), [S. l.], v. 2, n. 1, p. 25–33, 2024. DOI: 10.30595/rissej.v2i1.165. Disponível em: https://ejournal.ump.ac.id/rissej/article/view/165. Acesso em: 9 mar. 2026.