BLAGA, Andrea Brigita, Irina DUMITRAȘCU, and Andreea BRAD. 2015. “LIMONENE IN SCHOOL INDOOR ENVIRONMENTS – SOURCE AND LEVEL OF CONTAMINATION”. Studia Universitatis Babeș-Bolyai Ambientum 60 (1-2):15-22. http://193.231.18.162/index.php/subbambientum/article/view/4287.