“Analysis of Shelf Type Flash Dryer Machine in the Process of Drying Purple Leaves (Graptophylum pictum Griff)”, JBETA, vol. 11, no. 2, pp. 468–472, Sep. 2023, Accessed: Sep. 19, 2026. Available: https://ejournal3.unud.ac.id/index.php/beta/article/view/2818