Marketing models as business improvement strategies (case of the teachers’ social, cultural and sports center) Municipality of Ocaña Norte de Santande. Rev. Elect. Invest. Ciencias Econ. [Internet]. 2023 Aug. 18 [cited 2025 Aug. 7];11(21):409-26. Available from: https://revistas.unan.edu.ni/index.php/reice/article/view/2550