Трончук, І.С., Рак, Т.М. and Чижанська, Н.В. 2012. The structure and nutritiousness of diets for milk cows with the annual milk from productivity 6-9 thousand kilograms. Scientific Progress & Innovations. 1 (Mar. 2012), 107-111. DOI:https://doi.org/10.31210/visnyk2012.01.25.