Ngara, Zakarias Seba, Avelina Elin, Frederika Rambu Ngana, Minsyharil Bukit, and Reinner Ishaq Lerrick. “Facile Synthesis of Fluorescent Carbon Nanodots from Soursop Peel As a Carbon Source for Ferric Metal Ion Sensor”. Engineering And Technology Journal 8, no. 10 (October 25, 2023): 2904–2910. Accessed July 22, 2024. https://everant.org/index.php/etj/article/view/1049.