Purnama, Indra, Denpharanto Krisprimandoyo, and Rismawati Sitepu. 2026. “The Impact Of Sales Strategies Using The NUP Model On The Performance Of Property Agents (A Case Study In Surabaya, Sidoarjo And Gresik)”. EKOMBIS REVIEW: Jurnal Ilmiah Ekonomi Dan Bisnis 14 (1), 439–452. https://doi.org/10.37676/ekombis.v14i1.8623.