NATH, Soumen; BANERJEE, Kallal; CHATTERJEE, Sourav; HAZRA, Anirban. Decoding the Importance of Engraved Numbers on Plastic Water Bottles in India: Awareness versus Ignorance. Swami Vivekananda University Press, Kolkata, West Bengal, India., p. 81–94, 2025. Disponível em: https://swamivivekanandauniversitypress.com/index.php/svup/article/view/352. Acesso em: 24 oct. 2026.