Lueangwitchajaroen, Pitiwat, AND 		Laysirikul, Ekkachai.
" The Formula of the Frobenius Number for a Numerical Semigroup with Embedding Dimension Three respect to a Partial Order Relation" <em>Naresuan University Journal: Science and Technology (NUJST)</em> [Online], Volume 31 Number 2 (12 May 2023)