[1]
B. C. Ubaque Lopez and L. F. Rincón Suárez, “A method for Determining Influential Observations in the SSE when Fitting Models in Factorial Designs”, RevComEst, vol. 4, no. 2, pp. 131–138, Dec. 2011, doi: 10.15332/s2027-3355.2011.0002.04.