Sirakov, I., Velichkova, K., Stoyanova, S., Kaymakanova, M., Slavcheva-Sirakova, D., Atanasova, R., Staykov, Y. (2018) Effect of synbiotic dietary supplementation on growth, physiological and immunological parameters in common carp (Cyprinus carpio L.) fingerlings and on yield and physiological parameters in lettuce (Lactuca sativa L.), cultivated in mesocosmos aquap, с. 140-149,.