Gunadi, Heru. “Analisis Penerapan Lean Management Pada Tingkat Kepuasan Klien: Studi Pada Digital Agency Newave Strategic Di Jakarta Selatan”. Journal of Research on Business and Tourism 3, no. 2 (December 14, 2023): 121–130. Accessed December 11, 2024. https://journal.lspr.ac.id/index.php/jrbt/article/view/573.