Mulev, Milto, Ljupčo Grupče, Ljupčo Melovski, and Lidija Derlieva. “Mineral Matters Content in the Organs of the Species Quercus Frainetto and Quercus Cerris in the Ass. Quercetumfrainetto-Cerris Macedonicum Oberd. 1948, Em. Horvat 1959 in „Galičica, National Park”. Macedonian Journal of Ecology and Environment 2, no. 1 (August 31, 1994): 37–46. Accessed December 28, 2024. http://mjee.org.mk/index.php/mjee/article/view/14.