ZUHDI, Muhammad; SUPRIYADI, Supriyadi. Desain Dan Pembuatan Alat Uji Koefisien Gesek Berdasarkan Sudut Kemiringan Bidang Longsor. Jurnal Pijar Mipa, [S. l.], v. 14, n. 3, p. 192–196, 2019. DOI: 10.29303/jpm.v14i3.1050. Disponível em: http://jurnalfkip.unram.ac.id/index.php/JPM/article/view/1050. Acesso em: 4 may. 2024.