%0 Journal Article %A Mojdeh, Doost Ali %A Samadi, Babak %T Total 2-domination number in digraphs and its dual parameter %J Discussiones Mathematicae. Graph Theory %D 2023 %P 587-606 %V 43 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGT_2023_43_3_a0/ %G en %F DMGT_2023_43_3_a0