The finite subsets and the permutations with finitely many non-fixed points of a set. - Jukkrid Nuntasri; Supakun Panasawatwong; Pimpen Vejjajiva (Math. Log. Q., 2021)

The Permutations with n non-fixed Points and the sequences with Length n of a Set. - Jukkrid Nuntasri; Pimpen Vejjajiva (J. Symb. Log., 2024)