Afiq F.A. Rahim, Abdul G.M. Rafek, Ailie S. Serasa , Abd Rasid Jaapar, Goh Thian Lai, Rodeano Roslee, Lee Khai Ern , Nguyen Xuan Huy, Tran Van Xuan.  (2023).  A Review of Rock Slope Stability Assessment Practice in Malaysia.  - Sains Malaysiana.  399-416. 

Afiq Farhan Abdul Rahim, Abdul Ghani Md Rafek, Ailie Sofyiana Serasa, Rini Asnida Abdullah, Afikah Rahim, Wan Salmi Wan Harun, Foong Swee Yeok, Muslim Abdurrahman, Lee Khai Ern,Nguyen Xuan Huy, Tran Van Xuan, Goh Thian Lai.  (2022).  Application of a Comprehensive Rock Slope Stability Assessment Approach for Selected Malaysian Granitic Rock Slopes.  - Sains Malaysiana.  421-436. 

Sayyed Jaheera Anwar, Irshad Ul Haq Bhat,, Maisara Abdul Kadir, Hanis Mohd Yusoff, Mohd Hasmizam Razali, Lee Khai Ern.  (2021).  Drug contaminants in water and sustainable approach towards their degradation: a short review.  - Desalination and Water Treatment.  231-239. 

Norhayati Mohd Rawi, Nursabrina Syahirah Hairudin, Norbert Simon, Lee Khai Ern, Norsyafina Roslan.  (2020).  Hidrogeologi dan geokimia air bawah tanah di daerah Tampin, Negeri Sembilan, Malaysia.  - Sains Malaysiana.  493-502. 

Nur Khairlida Muhamad Khair, Khai Ern Lee, Mazlin Mokhtar, Choo Ta Goh.  (2019).  Simplified and integrated management system for Responsible Care (SIMS-RC) in chemical industries.  - Management of Environmental Quality: An International Journal.  624-642. 

Goh Thian Lai, Lok Kah Kit, Azimah Hussin, Ailie Sofyiana Serasa, Abdul Ghani Rafek, Lee Khai Ern, Tuan Rusli Mohamed, Shao Lei, Yanlong Chen & Mingwei Zhang.  (2019).  Integrated cave stability assessment: a case study at Naga Mas Cave, Mount Pua, Kinta Valley, Ipoh, Perak, Malaysia.  - Sains Malaysiana.  2493-2501. 

Goh Thian Lai, Wong Jia Mang, Abdul Ghani Rafek, Ailie Sofyiana Serasa, Nur Amanina Mazlan, Ainul Mardhiyah Mohd Razib, Azimah Hussin, Lee Khai Ern & Tuan Rusli Mohamed.  (2018).  Stability Assessment of Limestone Cave: Batu Caves, Selangor, Malaysia.  - Sains Malaysiana.  59-66. 

Khai Ern Lee, Syed Muhammad Shahabudin, Mazlin Mokhtar, Yee Keong Choy, Thian Lai Goh, Norbert Simon.  (2018).  Sustainable water resources management and potential development of multi-purpose dam: The case of Malaysia.  - Applied Ecology and Environmental Research.  . 

Mohd Hafiyyan Mahmud, Khai Ern Lee, Mazlin Mokhtar, Marfiah Ab Wahid.  (2018).  Technical strategy for revitalizing urban river water quality through structural approach at National University of Malaysia (UKM) Bangi Campus, Selangor, Malaysia.  - Applied Ecology and Environmental Research.  . 

Nur Khairlida Muhamad Khair, Khai Ern Lee, Mazlin Mokhtar, Choo Ta Goh.  (2018).  Integrating responsible care into quality, environmental, health and safety management system: A strategy for Malaysian chemical industries.  - Journal of Chemical Health and Safety.  . 

Ailie Sofyiana Serasa, Goh Thian Lai, Abdul Ghani Rafek, Azimah Hussin, Lee Khai Ern & Tuan Rusli Mohamed.  (2017).  Peak Friction Angle Estimation from Joint Roughness Coefficient of Discontinuities of Limestone in Peninsular Malaysia.  - Sains Malaysiana.  181-188. 

Marlia Mohd Hanafiah, Mohamed Yasreen Mohamed Ali, Nur Izzah Hamna Abdul Aziz, Muhammad Aqeel Ashraf, Azhar Abdul Halim, Lee, Khai Ern, Idris, Mushrifah.  (2017).  Biogas Production From Goat and Chicken Manure in Malaysia.  - Applied Ecology and Environmental Research.  . 

Goh Thian Lai, Nur Amanina Mazlan, Mohd Shahrul Mohd Nadzir, Abdul Ghani Rafek, Ailie Sofyiana Serasa, Azimah Hussin, Lee Khai Ern & Foong Swee Yeok.  (2017).  Uniaxial compressive strength of Antarctic Peninsula Rocks:Schmidt Hammer Rebound Test.  - Sains Malaysiana.  677-684. 

Noran Nabilla Nor Azlan, Norbert Simon, Azimah Hussin, Rodeano Roslee & Lee Khai Ern.  (2017).  Pencirian Sifat Kimia Bahan Tanah pada Cerun Gagal di Sepanjang Jalan Ranau-Tambunan, Sabah, Malaysia.  - Sains Malaysiana.  867-877. 

Goh Thian Lai, Abdul Ghani Rafek, Ailie Sofyiana Serasa, Azimah Hussin dan Lee Khai Ern.  (2016).  Use of Ultrasonic Velocity Travel Time to Estimate Uniaxial Compressive Strength of Granite and Schist in Malaysia.  - SAINS MALAYSIANA.  185-193. 

Abdul Fattah Abu Bakar, Siti Nathasa Md Barkawi, Marlia Mohd. Hanafiah, Lee Khai Ern & Azhar Abdul Halim.  (2016).  Penyingkiran ammonia dan logam berat dari air sisa industri automotif menggunakan pasir terubahsuai secara kimia.  - Sains Malaysiana.  1509 - 1516. 

Goh Thian Lai, Md. Selim Reza, Abdul Ghani Rafek, Ailie Sofyiana Serasa, Azimah Hussin, & Lee Khai Ern.  (2016).  Assessment of ultimate bearing capacity based on the hoek-brown failure criterion.  - Sains Malaysiana.  1603-1607. 

Khai Ern Lee, Norhashimah Morad, Tjoon Tow Teng, Beng Teik Poh.  (2014).  Reactive Dye Removal Using Inorganic-Organic Composite Material: Kinetics, Mechanism, and Optimization.  - Journal of Dispersion Science and Technology.  35:1557-1570.