Radical approach in BCH-algebras. - Eun Hwan Roh (Int. J. Math. Math. Sci., 2004)

Strong implicative hyper K-ideals. - Young Bae Jun; Kyung-Ho Kim; Eun Hwan Roh (Int. J. Math. Math. Sci., 2006)

-Structures Applied to Closed Ideals in BCH-Algebras. - Young Bae Jun; Mehmet Ali Öztürk; Eun Hwan Roh (Int. J. Math. Math. Sci., 2010)

BCK-Algebras and Related Algebraic Systems. - Young Bae Jun; Ivan Chajda; Hee Sik Kim; Eun Hwan Roh; Jianming Zhan 001; Afrodita Iorgulescu (Int. J. Math. Math. Sci., 2011)

General types of ( ∈, ∈ ∨ q)-fuzzy filters in BL-algebras. - Young Bae Jun; Yong Uk Cho; Eun Hwan Roh; Jianming Zhan 001 (Neural Comput. Appl., 2011)

Pseudovaluations on WFI Algebras. - Young Bae Jun; Min Su Kang; Eun Hwan Roh (Int. J. Math. Math. Sci., 2012)

Further Results on Derivations of Ranked Bigroupoids. - Young Bae Jun; Hee Sik Kim; Eun Hwan Roh (J. Appl. Math., 2012)

Closed Int Soft BCI-Ideals and Int Soft c-BCI-Ideals. - Young Bae Jun; Kyoung Ja Lee; Eun Hwan Roh (J. Appl. Math., 2012)

Positive Implicative Ideals of BCK-Algebras Based on Intersectional Soft Sets. - Eun Hwan Roh; Young Bae Jun (J. Appl. Math., 2013)

Int-Soft Filters in Hoops. - Rajab Ali Borzooei; M. Sabetkish; Eun Hwan Roh; Mona Aaly Kologani (Int. J. Fuzzy Log. Intell. Syst., 2019)

On co-annihilators in hoops. - Mona Aaly Kologani; Young Bae Jun; Xiao Long Xin 001; Eun Hwan Roh; Rajab Ali Borzooei (J. Intell. Fuzzy Syst., 2019)

Implicative Neutrosophic Quadruple BCK-Algebras and Ideals. - G. Muhiuddin; Ahmad N. Al-kenani; Eun Hwan Roh; Young Bae Jun (Symmetry, 2019)

Hybrid Ideals of BCK/BCI-Algebras. - Kyung-Tae Kang; Seok-Zun Song; Eun Hwan Roh; Young Bae Jun (Axioms, 2020)