List of Articles terpinolene (11.2%) and a-thujene (10.9%) and by steam distillation method in flower were p – cymene (22.1%) Open Access Article Abstract Page Full-Text 1 - Investigation on Chemical Constituents of Essential oils from Achillea wilhelmsii C. Koch from two local by Distillation methods کامکار Jaimand mb Rezaee معصومه Mazandrani