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The First Global e-Competition on Astronomy and Astrophysics. (arXiv:2111.12095v1 [physics.ed-ph]) http://arxiv.org/abs/2111.12095
The First Global e-Competition on Astronomy and Astrophysics. (arXiv:2111.12095v1 [physics.ed-ph]) http://arxiv.org/abs/2111.12095