J. Chen, C. Xie, și Z. Zeng, „A Combination of Hidden Markov Model and Association Analysis for Stock Market Sector Rotation”, rcis, vol. 63, pp. 149–165, dec. 2018, Data accesării: nov. 07, 2026. Disponibil la: https://www.rcis.ro/journal/article/view/2493-a-combination-of-hidden-markov-model-and-association