Sepehri , Ali, Hossein Reza Rouhi, and Leila Sefidkhani. “Evaluation of Several Methods for Breakind Dormancy of Bitter Vetch Seeds (Vicia Ervilia L.)”. Plant Breeding and Seed Science 71 (June 20, 2015): 57–66. Accessed December 6, 2025. https://ojs.ihar.edu.pl/index.php/pbss/article/view/265.