Matisovs, Ivars. “URBAN LANDSCAPE QUALITY AND FACTORS THAT HAVE INFLUENCE ON LANDSCAPE QUALITY IN LATGALE REGION”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June 18, 2005): 155–163. Accessed December 6, 2024. https://journals23.rta.lv/index.php/ETR/article/view/2135.