Soltanbeigi, A., y H. . Maral. «AGRONOMIC YIELD AND ESSENTIAL OIL PROPERTIES OF PURPLE CONEFLOWER (Echinacea Purpurea L. MOENCH) WITH DIFFERENT NUTRIENT APPLICATIONS». Chilean Journal of Agricultural & Animal Sciences, vol. 38, n.º 2, agosto de 2022, pp. 164-75, doi:10.29393/CHJAA38-16AYAH20016.