The Study of Ultrasonic Waves on dormancy-breaking in Ferula assa-foetida, Ferula gummusa and Myrtus communis Journal title: International journal of Advanced Biological and Biomedical Research Authors: Sedigheh Rezaeyan| Young Researches Club, Khorramabad Branch, Islamic Azad University, Khorramabad,... Subject(s): Biological Sciences, Biochemistry, Microbiology, Molecular Biology, Anatomy, Physiology