Bakhari, N. A. ., S. N. A. D. . Fadzillah, and N. . Isa. “Chemical Constituents of the Insecticidal Active Extract of Tinospora Crispa”. Scientific Research Journal, vol. 10, no. 1, June 2013, pp. 23-35, doi:10.24191/srj.v10i1.5408.