Iskandar, A. . “Empowerment of Foreign Manpower and Indonesian Manpower Through Developing Foreign Companies in Indonesia”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 48, no. 6, Dec. 2019, pp. 128-49, https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/10581.