@article{paperid:1100005, author = {Garousi, Mohammad Reza}, title = {O(9, 25) symmetry of heterotic string theory at orders α′, α′2}, journal = {Journal of High Energy Physics}, year = {2024}, volume = {2024}, number = {9}, month = {September}, issn = {1029-8479}, keywords = {Effective action of Heterotic string theory; Cosmological symmetry}, }