@article{costa-machado_bastos_freitas_2013,  title={Dynamic maceration of Copaifera langsdorffii leaves: a technological study using fractional factorial design},  volume={23},  ISSN={0102-695X},  url={https://doi.org/10.1590/S0102-695X2012005000116},  DOI={10.1590/S0102-695X2012005000116},  number={1},  journal={Revista Brasileira de Farmacognosia},  publisher={Sociedade Brasileira de Farmacognosia},  author={Costa-Machado, Ana R. M. and Bastos, Jairo K. and Freitas, Luís A. P. de},  year={2013},  month={Jan},  pages={79–85} }