Tri Subhi, K., and A. Al Azkiya. “Comparison of Cochrane-Orcutt and Hildreth-Lu Methods to Overcome Autocorrelation in Time Series Regression (Case Study of Gorontalo Province HDI 2010-2021)”. Parameter: Journal of Statistics, Vol. 2, no. 2, June 2022, pp. 30-36, doi:10.22487/27765660.2022.v2.i2.15913.