Vol.9_No.4_  2020, D.
(2020).
 Depan Vol.9_No.4_  2020.
<em>Teknik Desain Mekanika, 9</em>(4).
Diambil dari <a href="http://103.29.196.112/index.php/mekanika/article/view/72929" target="_new">http://103.29.196.112/index.php/mekanika/article/view/72929</a>