M. N. H. W. Salleh, W., M. . A. Nafiah, M. . H. Jauri, and S. Khamis. “Chemical Constituents and Acetylcholinesterase Inhibitory Activity of Beilschmiedia Insignis Gamble”. Bulletin of the Chemical Society of Ethiopia, vol. 35, no. 3, Jan. 2022, pp. 685-91, doi:10.4314/bcse.v35i3.19.