Koval, I. Z. “Effectiveness of Using Gases for Water Purification With the Same Microbial Load”. Visnyk of V. N. Karazin Kharkiv National University. Series Еcоlogy, no. 25 (November 16, 2021): 125-134. Accessed April 25, 2025. https://periodicals.karazin.ua/ecology/article/view/17935.