Shariff, N.S.M. and Duzan, H.M.B. 2018. A Comparison of OLS and Ridge Regression Methods in the Presence of Multicollinearity Problem in the Data. International Journal of Engineering & Technology. 7, 4.30 (Nov. 2018), 36–38. DOI:https://doi.org/10.14419/ijet.v7i4.30.21999.