Application of a self-organizing map (SOM) for grouping of oak ecosystems by different characteristics in Bulgaria. Год. СУ, БФ, Книга 2 - Ботаника [Internet]. 2025 Jul. 21 [cited 2025 Dec. 14];108:113-32. Available from: https://annual.uni-sofia.bg/index.php/biofac-botany/article/view/1532