Zayova, E., Vlahova, M., Petrova, M., Vasilevska-Ivanova, R., Stoeva, D. Micro-propagation of Echinacea purpurea L. Moench - a valuable medicinal plant species. 2009 с. 155-163,.
Zayova, E., Vlahova, M., Petrova, M., Vasilevska-Ivanova, R., Stoeva, D. Micro-propagation of Echinacea purpurea L. Moench - a valuable medicinal plant species. 2009 с. 155-163,.
Zayova, E., Vlahova, M., Petrova, M., Vasilevska-Ivanova, R., Stoeva, D. (2009) Micro-propagation of Echinacea purpurea L. Moench - a valuable medicinal plant species, с. 155-163,.
Zayova, E., Vlahova, M., Petrova, M., Vasilevska-Ivanova, R., & Stoeva, D. (2009). Micro-propagation of Echinacea purpurea L. Moench - a valuable medicinal plant species. с. 155-163.
Zayova E, Vlahova M, Petrova M, Vasilevska-Ivanova R, Stoeva D. Micro-propagation of Echinacea purpurea L. Moench - a valuable medicinal plant species. 2009. p. с. 155-163.