Erik Estrada, Wilda Sari and Heffi Christya Rahayu 2025. PENGARUH PERSONAL SELLING DAN SALES PROMOTION TERHADAP PURCHASE INTENTION PADA PRODUK DIABETASOL (STUDI KASUS KONSUMEN PT. KALBE NUTRITIONAL RS.SYAFIRA PEKANBARU) . Journal of Innovation Research and Knowledge. 4, 9 (Feb. 2025), 7075–7088. DOI:https://doi.org/10.53625/jirk.v4i9.9756.