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, 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.  . 

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.  . 

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.  . 

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. 

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.  . 

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. 

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. 

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. 

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.