E. S. Wulo, Y. K. Unda, and Suparno, “Identification of Phenolic Compounds Content in Tinospora crispa Stem Decoction by FTIR and UV-Visible Spectrophotometry”, jppipa, pendidikan ipa, fisika, biologi, kimia, vol. 11, no. 5, pp. 533–540, May 2025.