Sadarman; IrawanA.; HidayatC.; Elfawati; SholikinM. M.; HarahapR. P.; RusliR. K.; SolfaineR.; SofyanA.; Nahrowi; JayanegaraA. Propolis Supplementation on Broiler Chicken Performances, Nutrient Digestibility, and Carcass Characteristics: A Meta-Analysis. Trop. Anim. Sci. J. 2021, 44, 425-433.