Dedi Sudrajat, Sarip Hidayat and Wahyu Heriyanto 2026. The Influence of Human Resource Competency in Marketing on Sales Performance of Small and Medium Enterprise Products. International Journal of Economics, Business and Innovation Research. 5, 04 (Jun. 2026), 951-961. DOI:https://doi.org/10.63922/ijebir.v5i04.4281.