APRIL 2019, Depan. Depan April 2019. Teknik Desain Mekanika, [S.l.], v. 8, n. 2, mar. 2019. ISSN 2302-5182. Tersedia pada: <http://103.29.196.112/index.php/mekanika/article/view/53601>. Tanggal Akses: 05 mar. 2026