Tafonao, R., B. I. Prayoga, and K. Tampubolon. “Analysis of the Effect of Reward and Punishment Policies on Employee Performance With the Role of Organizational Culture As a Mediator in the Office of the Umbunasi Sub-District South Nias Regency”. Digital Business: Tren Bisnis Masa Depan, vol. 15, no. 3, Sept. 2024, pp. 195-9, https://ejournal.cria.or.id/index.php/db/article/view/193.