Purnomo C. Efektifitas Strategi Pemasaran Produk Wisata Minat Khusus Gua Cerme, Imogiri, Bantul. JSB [Internet]. 2008 Dec. 1 [cited 2024 Nov. 23];12(3). Available from: https://journal.uii.ac.id/JSB/article/view/3937