Alvin Arifin, Rachmad Hidayat, Ernani Hadiyati, and Endang Suswati. “Improving Employee Performance at Traditional Jamu Centers in Madura in the Era of Industrial Revolution 4.0”. Nusantara Journal of Multidisciplinary Science 2, no. 3 (October 19, 2024): 601–616. Accessed September 7, 2026. https://jurnal.intekom.id/index.php/njms/article/view/828.