Yoyong Apriliana Sigit, Mas Roro Lilik Ekowanti, and Dewi Casmiwati, “ANALISIS PENGELOLAAN ATRAKSI WISATA KEBUN BINATANG SURABAYA (The Analysis of the Management of Tourism Attractions of Surabaya Zoo)”, aamama, vol. 21, no. 1, pp. 41–47, May 2018.