Karabegović, Ivana T., Saša S. Stojičević, Dragan T. Veličković, Nada Č. Nikolić, and Miodrag L. Lazić. 2018. “Direct Ultrasound-Assisted Extraction and Characterization of Phenolic Compounds from Fresh Houseleek (Sempervivum Marmoreum L.) Leaves”. HEMIJSKA INDUSTRIJA (Chemical Industry) 72 (1): 13-21. https://doi.org/10.2298/HEMIND170402017K.