1. 9th Polish Combinatorial Conference, Będlewo, 18-23 IX 2022 • • Some properties of (1,2)-dominating and proper (1,2)-dominating sets in graphs, współautorstwo
2. 9th Cracow Conference on Graph Theory, Rytro, 6-10 VI 2022 • On minimum intersections on certain secondary dominating sets
3. "CaRT 2021" (Combinatorics and related topics), online, 14-16 XII 2021