@article{10_57016_TM_NXML6989,
     author = {Robby Robby and Jonathan Hoseana},
     title = {Mixing problems represented by quasi-digraphs},
     journal = {The Teaching of Mathematics},
     pages = {79 },
     publisher = {mathdoc},
     volume = {XXVII},
     number = {2},
     year = {2024},
     doi = {10.57016/TM-NXML6989},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.57016/TM-NXML6989/}
}