Intuitionistic nil radicals of intuitionistic fuzzy ideals and Euclidean intuitionistic fuzzy ideals in rings. - Young Bae Jun; Mehmet Ali Öztürk; Chul Hwan Park (Inf. Sci., 2007)

Applications of soft sets in ideal theory of BCK/BCI-algebras. - Young Bae Jun; Chul Hwan Park (Inf. Sci., 2008)

Soft set theory applied to ideals in d-algebras. - Young Bae Jun; Kyoung Ja Lee; Chul Hwan Park (Comput. Math. Appl., 2009)

New types of fuzzy ideals in BCK/BCI-algebras. - Young Bae Jun; Kyoung Ja Lee; Chul Hwan Park (Comput. Math. Appl., 2010)

Fuzzy soft set theory applied to BCK/BCI-algebras. - Young Bae Jun; Kyoung Ja Lee; Chul Hwan Park (Comput. Math. Appl., 2010)

-Subalgebras in BCK/BCI-Algebras Based on Point -Structures. - Young Bae Jun; Min Su Kang; Chul Hwan Park (Int. J. Math. Math. Sci., 2010)

Implicative Ideals of BCK-Algebras Based on the Fuzzy Sets and the Theory of Falling Shadows. - Young Bae Jun; Min Su Kang; Chul Hwan Park (Int. J. Math. Math. Sci., 2010)

Coderivations of Ranked Bigroupoids. - Young Bae Jun; Kyoung Ja Lee; Chul Hwan Park (J. Appl. Math., 2012)

Double-Framed Soft Deductive System of Subtraction Algebras. - Chul Hwan Park (Int. J. Fuzzy Log. Intell. Syst., 2018)