Kholkhal, Djamel, and Benamar Benmahioul. “Effects of Substrate on the Germination and Seedling Growth of Quercus Suber L”. Biodiversity: Research and Conservation 64 (September 6, 2022): 7–14. Accessed May 3, 2024. https://pressto.amu.edu.pl/index.php/biorc/article/view/35461.