3-5 February, 2019: The Second international conference of mathematics, College of Science, Salahaddin university, Erbil, Iraq.

8 July, 2018: YASE 2018, Toulouse (FR).

29 March - 2 April, 2017: EUROMATH, Bucharest, Romania.

15-19 November, 2017: ASTUCON, Larnaca, Cyprus

9-13 June, 2013: CSAC 2013, Koper (SLO).