Pakorn Palakawong na Ayutthaya และ Bundit Pibaljommee. (2019) Characterizations of completely ordered k-regular semirings. <i>Songklanakarin Journal of Science and Technology</i>, <i>41</i>(3), 501-505.Pakorn Palakawong na Ayutthaya และ Bundit Pibaljommee. "Characterizations of completely ordered k-regular semirings". Songklanakarin Journal of Science and Technology 41 (2019):501-505.Pakorn Palakawong na Ayutthaya และ Bundit Pibaljommee. Characterizations of completely ordered k-regular semirings. Research and Development Office, Prince of Songkla University:ม.ป.ท. 2019.