NUGROHO, N. E.; FEBRIANSANU, D. R.; SIREGAR, A. D. . Structural Control on Interpreted Subsurface River Flow Patterns in a Karst Landscape: A Case Study of the Bekah Area, Purwosari, Gunungkidul, Yogyakarta. Envirotek : Jurnal Ilmiah Teknik Lingkungan, [S. l.], v. 18, n. 2, p. 16–25, 2026. DOI: 10.33005/envirotek.v18i2.2349. Disponível em: https://envirotek.upnjatim.ac.id/index.php/envirotek/article/view/2349. Acesso em: 31 oct. 2026.