Rahmad Hudapi Purba, M. Isa Indrawan, and Ramadhan. “The Effect Of Competitive Advantage And Market Orientation On Marketing Performance in Chicken Business In Medan”. Britain International of Humanities and Social Sciences (BIoHS) Journal, Vol. 4, no. 3, Oct. 2022, pp. 477-89, doi:10.33258/biohs.v4i3.768.