loong-chuen lee, choong-yeun liong, khairul osman, and abdul aziz jemain.  (2016).  forensic differentiation of paper by atr-ftir spectroscopy technique and partial least squares-discriminant analysis (pls-da).  - aip conference proceedings / johor bahru, malaysia.  1-7. 

loong-chuen lee, choong-yeun liong, khairul osman, and abdul aziz jemain.  (2016).  comparison of several variants of principal component analysis (pca) on forensic analysis of paper based on ir spectrum.  - aip conference proceedings / johor bahru, malaysia.  1-7. 

choong-yeun liong, loong-chuen lee, khairul osman, and abdul aziz jemain.  (2016).  genetic algorithms for wavenumber selection in forensic differentiation of paper by linear discriminant analysis.  - aip conference proceedings / johor bahru, malaysia.  1-7. 

loong-chuen lee, choong-yeun liong, khairul osman, and abdul aziz jemain.  (2016).  effects of scatter-correction pre-processing methods and spectral derivative algorithms on forensic classification of paper.  - aip conference proceedings / johor bahru, malaysia.  1-9.