Saleh, C., E. Setyono, and F. R. Hidayat. “Analisis Peningkatan Kapasitas Kantong Lahar Kali Regoyo Desa Regoyo Kabupaten Lumajang”. Jurnal Teknik Pengairan: Journal of Water Resources Engineering, vol. 1, no. 2, May 2012, https://jurnalpengairan.ub.ac.id/index.php/jtp/article/view/127.