Molla-Mohammadi, R., Safaei-Ghomi, J., Oboudatian, H. S. (2026). Design and application of a magnetically recoverable citric acid-functionalized graphene oxide nanocomposite for ultrasound-assisted green synthesis of naphthopyrimidines. Scientific Reports. https://doi.org/10.1038/s41598-026-52098-2