SIREGAR, I. P. S.; WIDYASARI, R.; PRASETYA, N. H. A Weighted Markov Chain Application to Predict Consumer Price Index When Facing Pandemic Covid-19. Quadratic: Journal of Innovation and Technology in Mathematics and Mathematics Education, [S. l.], v. 1, n. 1, p. 41–46, 2021. DOI: 10.14421/quadratic.2021.011-06. Disponível em: https://ejournal.uin-suka.ac.id/tarbiyah/quadratic/article/view/011-06. Acesso em: 7 feb. 2025.