DR. PRADEEP KARANJE; UDAYTADA MALLE; SOMSHEKAR PATIL; SRIKANTHHA MILPURKAR; OMKAR SURYWANSHI. UPI-BASED SMART SANITARY NAPKIN VENDING MACHINE. International Educational Journal of Science and Engineering, [S. l.], v. 9, n. 05, p. 25–28, 2026. DOI: 10.5281/zenodo.21370841. Disponível em: https://iejse.com/journals/index.php/iejse/article/view/277. Acesso em: 22 jul. 2026.