Cherayna Amnuai, Siew Wei Lee, Norwahida Zamani, Hukil Sino, Loong Chuen Lee.  (2024).  Exploring volatile organic profiles of red pen inks based on gas-chromatography-flame ionization detection (GC-FID) and chemometric methods for forensic investigation purposes.  - Journal of Liquid Chromatography & Related Technologies.  154-161. 

Guvinder Singh Bumbrah, Rakesh Mohan Sharma, Wan Nurdini Binti Wan Mohd Hassim, Hukil Sino, Loong Chuen Lee.  (2024).  An exploratory study of differentiating Indian kerosene based on ATR-FTIR spectroscopy and chemometric methods.  - Journal of Analytical Chemistry.  169-179. 

Yaishnavee A/P Ravi, Nur Ain Najihah Binti Mohd Rosdi, Nadirah Abd Hamid, Hukil Sino, Loong Chuen Lee.  (2023).  Comparison of Gap-Segment and Savitzky-Golay algorithms in forensic discrimination of soils based on ultra-performance liquid chromatography data.  - Journal of Analytical Chemistry.  1398-1405. 

Norazwani binti Ali, Loong Chuen Lee, and Ab Aziz Ishak.  (2022).  Evaluation of row-wise manipulations for the forensic differentiation of Malaysian soils based on ultra-performance liquid chromatographic profiles.  - Journal of Analytical Chemistry.  347-360. 

Lee Loong Chuen.  (2021).  A study to explore discriminative power of ATR-FTIR spectroscopy for forensic paper analysis using decision tree method.  - Journal of Analytical Chemistry.  95-101. 

Loong Chuen Lee, Ab Aziz Ishak, Nadirah Abdul Hamid, Yaishnavee Ravi, Muhamad Adib Ahmad and Norazwani Ali.  (2021).  A comparison between univariate and multivariate statistical techniques to determine source of pen inks using Ultra-Performance Liquid Chromatography (UPLC) chromatograms.  - Journal of Liquid Chromatography & Related Technologies.  1-11. 

Loong Chuen Lee, Wan Nur Syazwani Wan Mohamad Fuad, Sharifah Shakilah Abdullah and Kay Loke Ong.  (2019).  Preliminary study on morphometric analysis of the human scalp hair for discrimination of ethnic Malay and ethnic Chinese in Malaysia.  - Egyptian Journal of Forensic Sciences.  1-6. 

Loong Chuen Lee*, Muhammad Ismail Ab Samad, and Mohamad Azlan Mohd Ismail.  (2016).  Nondestructive Classification and Identification of Ballpoint Pen Inks by Raman Spectroscopy for Forensic Document Examinations.  - Journal of Analytical Chemistry.  723-729. 

Loong Chuen Lee, Intan Shafiqa MD Yunus, Wan Nur Syazwani Wan Mohamad Fuad, Ab Aziz Ishak, Khairul Osman.  (2015).  Statistical discrimination of black ballpoint pen inks using ultra-performance liquid chromatography with principal component analysis.  - Journal of Analytical Chemistry.  374-377.