Achmad, Marita Nur, and Wirawan Endro Dwi Radianto. “7P MARKETING STRATEGY DESIGN IN AN EFFORT TO INCREASE SALES IN SPA SERVICES: A CASE STUDY AT FRESHMINT SPA LAMONGAN”. Business and Finance Journal 11, no. 1 (March 31, 2026): 38–50. Accessed August 1, 2026. https://journal2.unusa.ac.id/index.php/BFJ/article/view/8504.