Jantanan, Wichayaporn, Chanon Budpan, & Weeradon Loesna.
" On ordered  G-semihypergroups Containing Two-sided Bases." <em>Naresuan University Journal: Science and Technology (NUJST)</em> [Online], 29.3 (2021): 96-104. Web. 23 Apr. 2024