Situmorang, I.R. 2022. Effect of Service Quality and Relational Marketing on Consumer Purchasing Decisions at PT. Garuda Teladan Biscuid Binjai North Sumatra. Jurnal Manajemen Bisnis Eka Prasetya Penelitian Ilmu Manajemen. 8, 2 (Sep. 2022), 229-242. DOI:https://doi.org/10.47663/jmbep.v8i2.248.