John Friadi, Ganefri, Ridwan , Raimon Efendi (2020) “Development of Product Based Learning-Teaching Factory in the Disruption Era”, International Journal of Advanced Science and Technology, 29(06), pp. 1887 - 1898. Available at: http://sersc.org/journals/index.php/IJAST/article/view/12892 (Accessed: 10June2026).