Grigorova, S., Penkov, D. Effect of bred waste and Calendula officinalis inclusion on egg production and egg quality. 759-764,.
Grigorova, S., Penkov, D. Effect of bred waste and Calendula officinalis inclusion on egg production and egg quality. 759-764,.
Grigorova, S., Penkov, D. Effect of bred waste and Calendula officinalis inclusion on egg production and egg quality, 759-764,.
Grigorova, S., & Penkov, D. Effect of bred waste and Calendula officinalis inclusion on egg production and egg quality. Bulgarian Journal of Agricultural Science, 29 (4), 759-764.
Grigorova S, Penkov D. Effect of bred waste and Calendula officinalis inclusion on egg production and egg quality. Bulgarian Journal of Agricultural Science. 29(4): 759-764.