Purba, P.Y., Siregar, R.E., Alvin, A. and Fendi, A. 2020. Impact Quality Product, Distribution Channels and Personal Selling Toward Polythene Tail Costumer Loyalty in PT. United Rope: Impact Quality Product, Distribution Channels and Personal Selling Toward Polythene Tail Costumer Loyalty in PT. United Rope. Jurnal Mantik. 4, 2 (Aug. 2020), 1250-1254. DOI:https://doi.org/10.35335/mantik.Vol4.2020.907.pp1250-1254.