Ahmadi Kamazani, N., Elhamirad, A. H., Ghavami, M., Moridi Farimani, M., Armin, M.. “Ultrasound-Assisted Extraction of Antioxidant Extract from Lettuce (Lactuca sativa L.) Wastes and Evaluation of the Antioxidative Activity.” Journal of Food Technology and Nutrition, vol. 14, no. 2, 2017, pp. 21-38.