Kairiša, Daina, Anda Valdovska, Ilze Vircava, Irina Pilvere, Liga Proskina, Daiga GčliІa, Guntis Gutmanis, and Sandijs Mešč·is. “The Effect of Sodium Humate Feed Additives in Diets for Holstein Breed Heifers”. Emerging Science Journal 7, no. 4 (July 12, 2023): 1395–1413. Accessed June 8, 2025. https://www.ijournalse.org/index.php/ESJ/article/view/1835.