Conference talks:

1. 1. k-tuple total domination in graphs, International Conference of Mathematical Sciences, 04-10 Aug. 2009, Istanbul, Turkey.
2. 2. Roman domination and Mycieleskian structure in graphs, AIMC 40, Sharif University of Technology, Aug. 18-21, 2009, Tehran, Iran.
3. 3. k-Tuple total domination in infated graphs, ICMS2 2010, Nov. 30-Dec. 3, 2010, UKM, Kuala Lumpur, Malaysia.
4. 4. The proof of the r-complete covered conjecture, ICMS2 2010, Nov. 30-Dec. 3, 2010, UKM, Kuala Lumpur, Malaysia.
5. 5. Total domination and total dominator chromatic numbers of a Hypergraph, Aug. 26-31, 2013, Isfahan, Isfahan Univ. of Tech., Iran.
6. 6. Domination in graphs, IASBS Combinatorics and Graph Theory workshop, Sep. 3-5, 2014, Zanjan, IASBS, Iran (invited Speaker).
7. 7. Total domination number of a family of graph product, AIMC 46, Aug. 25-28, 2015, Yazd, Yazd University, Iran.
8. 8. Total dominator colorings in graphs, The Third Gdask Workshop on Graph Theory, Sep. 16-18, 2015, Gdansk, Poland.
9. 9. A new type of domination in graphs, 3rd Istanbul Design Theory, Graph Theory and Combinatorics Workshop, June 13-17, 2016, Istanbul, Turkey.
10. 10. Upper k-tuple total dominating sets in graphs, IPM Combinatorics and Computing Conference 2017, May 16-18, 20167 Tehran, Iran.
11. 11. k-tuple total domination in cartesian product of graphs, 26th 3 in 1 Workshop on Graph Theory, 2017 Oct. 26-28, AGH University of Science and Technology, Cracow, Poland.
12. 12. Total dominator coloring of a graph, ICPAM-Van 2018, Sep.11-13, Van Yuzuncu Yil University, Van, Turkey.
13. 13. Total dominator total coloring of graphs, 8th International Eurasian Conference on Mathematical Sciences and Applications (IECMSA-2019), 2019, Aug. 27-30, Baku State University, Baku, AZERBAIJAN.