Jovovi?, Zoran, Besim Salki?, Ana Velimirovi?, Predrag Vuki?evi?, and Ahmed Salki?. 2019. “Production of Immortelle Seedlings According to the Principles of Organic Production”. New Perspectives in Agriculture and Crop Science Vol. 1, October, 114-18. https://stm1.bookpi.org/index.php/npacs-v1/article/view/572.