1. Ghazali, Razmah, The Effect of Disalt on the Biodegradation of Methyl Ester Sulphonates (MES), Journal of Oil Palm Research 14:45–50 (2002).
2. Ahmad, Salmiah, I. Zahariah, A.M. Zulina, A.A. Haliza, and K.Y. Cheah, Palm Based Methyl Ester Sulphonates, TT No. 143, Malaysian Palm Oil Board Information Series (2002).
3. Drodz, J.C., and D.D. Dasai, Liquid Laundry Detergents Based on Soap and α-Sulfo Fatty Acid Methyl Esters, J. Am. Oil Chem. Soc. 68:59 (1991).
4. Satsuki, T., K. Urnehara, and Y. Yoneyama, Performance and Physicochemical Properties of α-Sulfo Fatty Acid Methyl Esters, J. Am. Oil. Chem. Soc. (1992).
5. Satsuki, T., Application of MES in Detergents, INFORM (1992).