1.
Sheikholeslami SM, Dehgardi N, Volkmann L, Meierling D. The Roman bondage number of a digraph. Tamkang J. Math. [Internet]. 2016Dec.30 [cited 2022May24];47(4):421-3. Available from: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/2100