Idrus, N. ., Suhadi, and I. M. C. . Binekada. “Factors Relating to Regular Paying of Contributions to Participants of Investa Dana Dollar Independen Social Security Providering Agency (Sspa) Post-Information of Contributions Policy”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 59, no. 2, July 2021, pp. 104-1, https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/12923.