Septyawan, Dicky Aditya, and Hasan Ubaidillah. “Communication in Employee Productivity in Transportation Service Companies”. Academia Open 8, no. 1 (June 26, 2023): 10.21070/acopen.8.2023.4100. Accessed November 23, 2024. https://acopen.umsida.ac.id/index.php/acopen/article/view/4100.