Principal Component and Hierarchical Cluster Analysis of major compounds variation of Moroccan Rosmarinus officinalis essential oilSaoussan Annemer, Abdellah Farah, Hamide Stambouli, Taoufik Bouayoun, Abdelhakim El ouali lalami and Yassine Ez zoubiE3S Web Conf., 336 (2022) 00069DOI: https://doi.org/10.1051/e3sconf/202233600069