INTERNATIONAL SCIENTIFIC AND PRACTICAL CONFERENCE – March 20, 2024 Collection of materials Downloads The beginning 0,60,50,40,30,20,10,90,80,7 Opening of the conference 1,11,21,31,41,51,61,71,81,9 Performance 2,12,102,92,82,72,62,52,42,32,23,123,113,103,243,233,223,213,203,193,183,173,163,153,143,135.75.65.5 Closing of the conference 4,14,104,94,84,74,64,54,44,34,25.45.35.25.1 Certificates Thank you letters