BAGER, A.S.M., KADHIM MOHAMMED, B. and HARBI ODAH, M. 2018. Ridge Regression for Addressing of the Multicollinearity Problem with Application in Cost of Production. LUMEN Proceedings. 3, (Aug. 2018), 56-63. DOI:https://doi.org/10.18662/lumproc.nashs2017.4.