Dwandaru, W. S. B.; Fauzi, F.; Sari, D. S.; Sari, E. K.; Santoso, I.; Suhendar, H. Optical Properties Comparison of Carbon Nanodots Synthesized from Kangkung (Ipomoea Aquatica) With Deep Frying and Roasting Techniques. J. Penelit. Fis. Apl. 2019, 9, 123-131.