PALANI RAJ, K.; VEERAMANI, G. Negative Marking in Online Sales Portal. International Journal of Engineering & Technology, [S. l.], v. 7, n. 4.36, p. 850–853, 2018. DOI: 10.14419/ijet.v7i4.36.24544. Disponível em: https://www.sciencepubco.com/index.php/ijet/article/view/24544.. Acesso em: 4 may. 2024.