Pryvedeniuk, N. “Valeriana Officinalis Yield With a Drip Irrigation System under Conditions of Left-Bank Forest-Steppe of Ukraine”. Land Reclamation and Water Management 104, no. 2 (November 27, 2016): 72 - 76. Accessed March 2, 2025. http://mivg.s-host.net/index.php/mivg/article/view/60.