Aldianto L, Novani S, Anggadwita G, Budi AA, Wirawan C. Soft system methodology approach: tourism conceptual model as the identity of Bandung, Indonesia. BTP [Internet]. 2020Apr.15 [cited 2024Dec.23];21(1):282-9. Available from: https://jcem.vgtu.lt/index.php/BTP/article/view/11038