@ARTICLE{
author={Rajkovic Katarina M,Vasic Marijana,Drobac Milica M,Mutic Jelena J,Jeremic Sanja R,Simic Valentina M,Stankovic Jovan B},
year={2020},
title={Optimization of extraction yield and chemical characterization of optimal extract from Juglans nigra L. leaves},
journal={CHEMICAL ENGINEERING RESEARCH & DESIGN},
volume={157},
number={},
pages={25-33},
document_type={Article},
} 

@ARTICLE{
author={Gavrilovic Marijana R,Rajkovic Katarina M,Simic Valentina M,Jeremic Sanja R,Mirkovic Snjezana,Jevtic Aleksandra S},
year={2018},
title={Optimization of ultrasound-assisted extraction of total polyphenolic compounds from Juglans nigra L. leaves},
journal={JOURNAL OF THE SERBIAN CHEMICAL SOCIETY},
volume={83},
number={11},
pages={1273-1284},
document_type={Article},
} 

@ARTICLE{
author={Simic Valentina M,Rajkovic Katarina M,Stojicevic Sasa S,Velickovic Dragan T,Nikolic Nada C,Lazic Miodrag L,Karabegovic Ivana T},
year={2016},
title={Optimization of microwave-assisted extraction of total polyphenolic compounds from chokeberries by response surface methodology and artificial neural network},
journal={SEPARATION AND PURIFICATION TECHNOLOGY},
volume={160},
number={},
pages={89-97},
document_type={Article},
}