Rasyikah Md Khalid, Lee Khai Ern, Nurlina Mohamad Ramzan.  (2024).  Lembangan Sungai di Negeri Kedah Darul Aman.  - .  13 - 22. 

Lee Khai Ern, Mazlin Mokhtar.  (2024).  Isu dan cabaran perubahan iklim di Kedah Darul Aman.  - .  23 - 32. 

Rasyikah Md Khalid, Lee Khai Ern, Nurlina Mohamad Ramzan, Nik Mohd Noor Faizul Md. Saad, Wan Nur`ashiqin Wan Mohamad, Nur Farhana Abd Razak, Nur Fadzlun Johan.  (2024).  Isu sepunya peringkat jajahan di Lembangan Sungai Kedah.  - .  80 - 93. 

Naziatul Aziah Mohd Radzi, Normaizatul Akma Saidi, Lee Khai Ern.  (2024).  Pembangunan dan penghidupan lestari ke arah wawasan kemakmuran bersama.  - .  406 - 428. 

Khai Ern Lee, Mazlin Mokhtar, Rasyikah Md Khalid, Thian Lai Goh, Norbert Simon, Kylie Ching Mun Wang.  (2022).  Strategies for a low carbon island towards climate change adaptation and mitigation (Goal 13).  - .  155-165. 

Lee Khai Ern.  (2022).  Green Technology.  - .  167-209. 

Mufaro Chitsa, Subarna Sivapalan, Khai Ern Lee.  (2022).  Communities, Organizations, and Partnerships for Climate Change Mitigation and Disaster Reduction.  - .  407-416. 

Goh Choo Ta, Mazlin Mokhtar, Lee Khai Ern.  (2022).  Chemical Governance.  - .  99-117. 

Khai Ern Lee, Mazlin Mokhtar.  (2022).  Non-point source pollution: issues & challenges in Malaysia.  - .  209-226. 

Goh Choo Ta, Mazlin Mokhtar, Lee Khai Ern, Lubna Alam.  (2021).  Keselamatan dan Pengurusan Bahan Kimia di Peringkat Antarabangsa.  - .  169-192. 

Lee Khai Ern, Mazlin Mokhtar, Marlia Mohd Hanafiah, Azhar Abdul Halim.  (2021).  Kimia Hijau: Ke Arah Kelestarian Industri Kimia.  - .  259-278. 

Mohd Hafiyyan Mahmud, Khai Ern Lee, Sharina Abdul Halim, Mazlin Mokhtar, Ah Choy Er.  (2021).  Conceptual Approach for Integrated Management of Urban Rivers.  - .  89-102. 

Nur Aizat Kamarulzaman, Khai Ern Lee, Kim Shyong Siow.  (2020).  Understanding public benefit and risk perceptions through psychological and sociological aspects for sustainable nanotechnology development in Malaysia.  - .  2-22. 

Nur Khairlida Muhamad Khair, Khai Ern Lee, Mazlin Mokhtar, Choo Ta Goh.  (2020).  Integrating responsible care through quality, environmental, health and safety management system for chemical industries in Malaysia.  - .  23-40. 

Noor Syazwani Hassan, Khai Ern Lee, Mazlin Mokhtar, Choo Ta Goh.  (2020).  Correlating corporate social responsibilities of chemical industries in Malaysia toward sustainable Development.  - .  41-54. 

Mohd Hafiyyan Mahmud, Khai Ern Lee, Mazlin Mokhtar, Sharina Abdul Halim.  (2020).  Shifting the paradigm toward integrated management of urban river in a University Campus.  - .  55-70. 

Suganty Kanapathy, Khai Ern Lee, Mazlin Mokhtar, Subarna Sivapalan, Sharifah Zarina Syed Zakaria, Azizah Mohd Zahidi.  (2020).  Enculturing sustainable development concept through chemistry curriculum for education for sustainable development.  - .  71-92. 

Mohamad Muhyiddin Hassan, Khai Ern Lee, Mazlin Mokhtar.  (2020).  Mainstreaming, institutionalizing and translating sustainable development goals into non-governmental organization's programs.  - .  93-118. 

Mazlin Bin Mokhtar, Rasyikah Md Khalid, Minhaz Farid Ahmad & Lee Khai Ern.  (2019).  Sustainable development in Malaysia: so near and yet so far?.  - .  75-90. 

Mokhtar Mokhtar, Minhaz Farid Ahmed, Rasyikah Md. Khalid, Ern Lee Khai.  (2019).  Sustainable Development in Malaysia: So Near and Yet So Far.  - .  75-89. 

Goh Choo Ta, Lee Khai Ern, Lubna Alam & Mazlin Mokhtar.  (2018).  Transformasi penyelidikan pengurusan bahan kimia.  - .  140-159. 

Khai Ern Lee, Ramli Abdullah, Marlia Mohd Hanafiah, Azhar Abdul Halim, Mazlin Mokhtar, Choo Ta Goh & Lubna Alam.  (2018).  An integrated approach for stakeholder participation in watershed management.  - .  135-143. 

Lubna Alam, Mazlin Mokhtar, Goh Choo Ta, Khai Ern Lee, Mohd Talib Latif.  (2018).  Environmental scan and framework of watershed risk assessment in Malaysia.  - .  105-121. 

Goh Choo Ta, Mazlin Mokhtar, Khai Ern Lee & Lubna Alam.  (2018).  Institutional arrangement and legal framework for the management of watersheds in Malaysia.  - .  115-138. 

Khairul Nizam Abdul Maulud, Wan Hanna Melini Wan Mohtar, Zaini Sakawi, Roshana Mat Rafar, Siti Fatin Mohd Razali, Rawshan Ara Begum, Lubna Alam, Lam Kuok Choy, Mokhtar Jaafar [and (three) others].  (2015).  Analisis spatial terhadap peningkatan aras laut di perairan Batu Pahat.  - .  Bab 2 : 7-18.