Aladejana, A.E., G. Bradley, and A.J. Afolayan. “Comparative Evaluation of Essential Oils of Helichrysum Petiolare Hilliard &Amp; B.L. Burtt Obtained from Solvent-Free Microwave and Hydrodistillation Extraction Methods”. Asian Journal of Chemistry 32, no. 12 (December 7, 2020): 3227–3238. Accessed May 2, 2024. https://asianpubs.org/index.php/ajchem/article/view/32_12_45.