SIHOMBING, D. J. C. Implementation of extreme programming in developing a payroll system for freelance workers in the construction industry. Jurnal Info Sains : Informatika dan Sains, [S. l.], v. 14, n. 01, p. 483–495, 2024. Disponível em: https://ejournal.seaninstitute.or.id/index.php/InfoSains/article/view/3867. Acesso em: 21 apr. 2026.