Kratovalieva, Suzana, Lenka Cvetanovska, Milto Mulev, and Gordana Dimeska. “Mineral Composition of Weed Vegetation in Wheat Crop in Skopje Agricultural Area”. Macedonian Journal of Ecology and Environment 8, no. 1-2 (December 31, 2003): 35–40. Accessed April 19, 2024. https://mjee.org.mk/index.php/mjee/article/view/62.