Owusu-Ansah, Ernest, F.K. Oppong-Boachie, and R.T. Awuah. 2016. “Chemical Constituents of Essential Oil from the Leaves of Ghanaian Ocimum Gratissimum L”. Asian Journal of Chemistry 17 (3):1446-48. https://asianpubs.org/index.php/ajchem/article/view/14102.