Amin Burhanuddin, S.N.Z. , Mohd Deni, S. and Mohamed Ramli, N. 2016. Revised Normal Ratio Methods for Imputation of Missing Rainfall Data. Scientific Research Journal. 13, 1 (Jun. 2016), 83–97. DOI:https://doi.org/10.24191/srj.v13i1.9384.