Hasibuan, A., J. Silalahi, and M. Masfria. “THE EFFECT OF HERBAL EXTRACTS AND PROBIOTIC FEEDING ON PRODUCTIVITY AND QUALITY OF BROILERS”. Asian Journal of Pharmaceutical Research and Development, Vol. 7, no. 3, June 2019, pp. 5-9, doi:https://doi.org/10.22270/ajprd.v7i3.521.