TIWARY, D. K. Fundamental Forces and Unified Field Theory. Academic Voices: A Multidisciplinary Journal, [S. l.], v. 1, p. 16–19, 2011. DOI: 10.3126/av.v1i0.5302. Disponível em: https://www.nepjol.info/index.php/AV/article/view/5302. Acesso em: 27 apr. 2024.