Derakhshan, M., A. H. Elhamirad, M. Javanmard, P. Sharayei, and M. Armin. “Optimization of Conditions of Ultrasound-Assisted Extraction of Effective Compounds from Apple Pomace (malus Domestica)”. International Journal of Biology and Chemistry, vol. 13, no. 1, Aug. 2020, pp. 135-47, doi:10.26577/ijbch.2020.v13.i1.14.