Widyani, Sulthan. “Analisis Beban Kerja Mental Menggunakan Metode Nasa-Tlx: Studi Kasus Pada Service Engineering PT. Xyz”. Jurnal Ilmiah Wahana Pendidikan 10, no. 9 (May 13, 2024): 650-661. Accessed May 25, 2026. https://www.jurnal.peneliti.net/index.php/JIWP/article/view/9237.