Sinicina, Natalia, Andris Skromulis, and Andris Martinovs. “Impact of Microclimate and Indoor Plants on Air Ion Concentration”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (August 6, 2015): 66–72. Accessed November 21, 2024. https://journals23.rta.lv/index.php/ETR/article/view/827.