SHATNAWI, Ali. The Power of Administration to Purchase on the Account of the Contracting Party (Contractor) Comparative Study. Al-Balqa Journal for Research and Studies, [S. l.], v. 8, n. 1, p. 50–79, 2001. Disponível em: https://ajrs.ammanu.edu.jo/ojs/index.php/albalqajournal/article/view/448.. Acesso em: 10 oct. 2026.