1. Asia Palm Oil Magazine. (2020, Oct-Dec). Palm Oil Growers Seek Prisoners to End Virus-Driven Labour Crunch. Asia Palm Oil Magazine, 9(3). Retrieved from https://issuu.com/fbipublicationsmalaysia/docs/v9n3?utm_source=sendinblue&utm_campaign=Asia_Palm_Oil_Magazine_OctDec_2020_is_Now_Published_Online&utm_medium=emaily
2. CSVN. (2016). Sustainability Gap Assessment Survey and Insights I. Selangor: Center for Sustainable Value Network (CVSN). Malaysia Institute for Supply Chain Innovation.
3. CSVN. (2020). CSS Quarterly Report Q4 FY 2019/20. Selangor: Center for Sustainable Value Network (CVSN). Malaysia Institute for Supply Chain Innovation.
4. NST. (2020). Accessed April 2021 https://www.nst.com.my/news/politics/2020/07/610665/sawit-anugerah-tuhan-replace-love-my-palm-oil-campaign