MR. KISHOR KRISHNA MARAKALA; MS. POOJA. “A STUDY ON BUSINESS OPPORTUNITY IN WASTE RECYCLING AND UPCYCLING WITH REFERENCE TO UDUPI DISTRICT”. International Educational Journal of Science and Engineering, [S. l.], v. 9, n. 4, 2026. Disponível em: https://iejse.com/journals/index.php/iejse/article/view/255. Acesso em: 30 apr. 2026.