1. High-resolution carbon dioxide concentration record 650,000–800,000 years before present;Bereiter;Nature,2008
2. Collins, M., Knutti, R., Arblaster, J., Dufresne, J.-L., Fichefet, T., Friedlingstein, P., Gao, X., Gutowski, W.J., Johns, T., and Krinner, G. (2013). Climate Change 2013: The Physical Science Basis. IPCC Working Group I Contribution to AR5, Cambridge University Press.
3. Climate change scenarios in Malaysia: Engaging the public;Rahman;Int. J. Malay-Nusant. Stud.,2018
4. Bin Ujang, D.S.I.D.Z. (2017). Green Technology Master Plan Malaysia (2017–2030), Ministry of Energy, Green Technology and Water (KeTTHA).
5. Optimization of the esterification process of crude jatropha oil (CJO) containing high levels of free fatty acids: A Malaysian case study;Farouk;Biofuels,2020