UPDESH KUMAR; DINESH VERMA. ANALYZATION OF PHYSICAL SCIENCES PROBLEMS . EPRA International Journal of Multidisciplinary Research (IJMR), [S. l.], v. 8, n. 4, p. 174–178, 2022. Disponível em: http://eprajournals.net/index.php/IJMR/article/view/309. Acesso em: 9 may. 2024.