VEITSMAN, E. V. THE PRINCIPLE OF EQUIVALENCE OF ENERGY SPENT ON PROCESS AND OF STEP OF TIME. International Journal of Research -GRANTHAALAYAH, [S. l.], v. 9, n. 10, p. 187–190, 2021. DOI: 10.29121/granthaalayah.v9.i10.2021.4320. Disponível em: https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/4320. Acesso em: 29 mar. 2024.