Guntarayana I, Fauziah A. BUSINESS STRATEGY FOR CAFE DEVELOPMENT: (A Study on De Classe Gelato & Coffe Blitar City). josar [Internet]. 2019Sep.1 [cited 2025Apr.27];4(2):101-9. Available from: https://ejournal.unisbablitar.ac.id/index.php/josar/article/view/1073