V. Stibilj, D. Terčič, and A. Holcman, “Content of some mineral elements in eggs from farms and free range”, AAK, vol. 6, no. 2, pp. 139–145, Oct. 2002, Accessed: Dec. 05, 2025. [Online]. Available: https://journal.uni-mate.hu/index.php/aak/article/view/1657