O. I J, N. S A, E. E E, B. F S, and O. E M, “In Vitro Anti-cholinesterase and Cognitive Enhancing Properties of Essential Oils from Piper nigrum L. and Monodora myristica (Gaertn) Dunal”, IJPT, vol. 6, no. 2, pp. 34–41, Aug. 2018, doi: 10.14419/ijpt.v6i2.13578.