OJHA, B. P. Different Concepts of Derivatives. Journal of Advanced College of Engineering and Management, [S. l.], v. 3, p. 11–14, 2018. DOI: 10.3126/jacem.v3i0.18809. Disponível em: https://www.nepjol.info/index.php/JACEM/article/view/18809. Acesso em: 19 apr. 2024.