Aiyared Iampan และ Daniel Abraham Romano. (2021) A generalization of UP-algebras: Weak UP-algebras. <i>Songklanakarin Journal of Science and Technology (SJST)</i>, <i>43</i>(2), 524-530.Aiyared Iampan และ Daniel Abraham Romano. "A generalization of UP-algebras: Weak UP-algebras". Songklanakarin Journal of Science and Technology (SJST) 43 (2021):524-530.Aiyared Iampan และ Daniel Abraham Romano. A generalization of UP-algebras: Weak UP-algebras. Research and Development Office, Prince of Songkla University:ม.ป.ท. 2021.