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- [28] The instability of the ozone layer at sunrise and sunset and the problem of determination of the height of the ozone layer [J]. COMPTES RENDUS DE L ACADEMIE DES SCIENCES DE L URSS, 1938, 20 : 659 - 662
- [29] Determination of pre-service elementary science teachers' knowledge level about ozone layer [J]. 3RD WORLD CONFERENCE ON EDUCATIONAL SCIENCES - 2011, 2011, 15 : 1438 - 1444