Abadi, Agus, 		Subanar, Subanar, 		Widodo, Widodo, AND 		Saleh, Samsubar.
" Forecasting Interest Rate of Bank Indonesia Certificate Based on Multivariate Fuzzy Time Series Data" <em>Jurnal ILMU DASAR</em> [Online], Volume 11 Number 2 (1 July 2010)