Ong, Phaik-Ling, Yun-Huoy Choo, and Azah Kamilah Muda. 2015. “A MANUFACTURING FAILURE ROOT CAUSE ANALYSIS IN IMBALANCE DATA SET USING PCA WEIGHTED ASSOCIATION RULE MINING”. Jurnal Teknologi 77 (18). https://doi.org/10.11113/jt.v77.6496.