Zakya M’hamdi et al. 2023. Phytochemical Study and Analysis of Extracts from Two Plants: Teucrium Polium and Lavandula Stoechas from the Region of Essaouira, by Gas Chromatography Coupled with Mass Spectrometry (GC / MS). Global Journal of Science Frontier Research. 22, B1 (Jan. 2023), 1–12.