Baistruk-Hlodan, L. Z., and H. Z. Zhapaleu. “Selection Work With Trifolium Pratense L. and Trifolium Hybridym L. Under Precarpathian Conditions”. Feeds and Feed Production, no. 86, 1, pp. 29-33, https://fri-journal.com/index.php/journal/article/view/92.