“ANALISIS EFEKTIVITAS STRATEGI SALES PROMOTION TERHADAP VOLUME PENJUALAN MIE SEDAAP PADA PT MUNCUL JAYA SENTOSA, DI KABUPATEN MIMIKA, PROVINSI PAPUA (2016-2018)”. JURNAL ULET (Utility, Earning and Tax), vol. 6, no. 1, June 2022, pp. 76-89, http://ejournal.stiejb.ac.id/index.php/jurnal-ulet/article/view/205.