Stafilov, T., Šajn, R., Boev, B., Cvetković, J., Mukaetov, D., Andreevski, M., & Lepitkova, S. (2013). Distribution of Cobalt in Soil from Кavadarci and the Environs. Geologica Macedonica, 23, pp.43-53. Retrieved from https://js.ugd.edu.mk/index.php/GEOLMAC/article/view/250