T. MURNINGSIH, P. PRAPTIWI, L. LIANA, and A. FATHONI, “TLC profiling and antioxidant activity of phenolic compound from Sterculia oblongata bark extract”, Nusantara Biosci, vol. 11, no. 1, pp. 44–48, Feb. 2019, doi: 10.13057/nusbiosci/n110108.