Purwaningsih, Ratna, Novie Susanto, and Mahardhika Cakra Yudha. “Penilaian Keberlanjutan UKM Batik Kota Semarang Dengan Metode Product Service System (PSS)”. Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri 18, no. 1 (September 29, 2016): 31-42. Accessed May 4, 2024. https://jurnalindustri.petra.ac.id/index.php/ind/article/view/19429.