Fauziah, Siska, and Nurul Azizah. 2026. “Marketing Strategy For Postal Services Using Servqual And Importance–Performance Analysis (IPA) To Improve Market Competitiveness At Pt. Pos Indonesia Tulungagung”. EKOMBIS REVIEW: Jurnal Ilmiah Ekonomi Dan Bisnis 14 (2), 1567-80. https://doi.org/10.37676/ekombis.v14i2.9402.