@article{KJM_2022_46_1_a9,
     author = {Akbar Rezaei},
     title = {Pseudo-BCK {Algebras} {Derived} from {Directoids}},
     journal = {Kragujevac Journal of Mathematics},
     pages = {125 },
     publisher = {mathdoc},
     volume = {46},
     number = {1},
     year = {2022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2022_46_1_a9/}
}