Siregar, I.P.S., Widyasari, R. and Prasetya, N.H. 2021. 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. 1, 1 (Apr. 2021), 41–46. DOI:https://doi.org/10.14421/quadratic.2021.011-06.