N. Y. Salsabila, N. Siswanto, E. Widodo, and O. A. Rochmadhan, “Throughput Analysis on a Multi-state Manufacturing System by Considering Availability”, Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri, vol. 21, no. 2, pp. 69-78, Dec. 2019.