“Ecology - the Question for the Whole Planet. An Interview With the President of Union of Enterprises for Energy Efficiency and Ecology (U4E) - Gonzag Pirey”. Gosudarstvennaya Sluzhba 18, no. 1 (January 15, 2016): 39–39. Accessed November 8, 2026. https://gosudarstvennaya-sluzhba.owebs.ru/article/view/22200.