UMAR, Mohd Faudzi; MOHD SHAH, Nurisya. Newton’s Second Law on Positive Real Line R_+. Journal of Science and Mathematics Letters, [S. l.], v. 11, p. 158–162, 2023. DOI: 10.37134/jsml.vol11.sp.17.2023. Disponível em: https://ejournal.upsi.edu.my/index.php/JSML/article/view/8756. Acesso em: 31 mar. 2025.