KRISHNA, R.Hema. Studies on Eco-friendly stickers. International Journal of Engineering and Technology, [S. l.], v. 13, n. 2, p. 306–310, 2024. DOI: 10.14419/hxp1rk89. Disponível em: https://mail.sciencepubco.com/index.php/IJET/article/view/32816.. Acesso em: 17 aug. 2025.