Recognizing vehicle lubricant oil quality via neural network. - Siti Norul Huda Sheikh Abdullah; Khairuddin Omar; Siti Rozaimah Sheikh Abdullah; Norsalina Harun; Mohd Syarif Afriansyah Lubis; Che Hassan Che Haron; Kamsuriah Ahmad; Mohd Zakree Ahmad Nazri; Mohammad Faidzul Nasrudin; Lee Chin Sin; Abdul Sahli Fakhrudin; Mohd Esa Baruji (ISSPA, 2005)