Rohmawati, A., M. A. Bijaksana, and K. M. Lhaksmana. “Analysis of the Commutative Method Approach on English Thesaurus for Developing Synonym Sets”. Indonesia Journal on Computing (Indo-JC), Vol. 4, no. 2, Sept. 2019, pp. 137-46, doi:10.34818/INDOJC.2019.4.2.332.