Fajar, Fajar, Dewi Liesnoor Setyowati, Juhadi Juhadi, Noviani Achmad Putri, & Laelia Nurpratiwiningsih. "The Waste Arising as An Effect of The Opening of River Tubing Tourism Place, Mayangsari City, Semarang." E-Journal of Tourism [Online], (2023): 231-240. Web. 17 Mar. 2026