SUTISNO; INDRA PERMANA; SUMARTA. Derivative Transactions in Stock Exchanges: Between Gharar and Speculation. Lentera Peradaban: Journal on Islamic Studies, [S. l.], v. 1, n. 3, p. 88–103, 2025. DOI: 10.61166/lpi.v1i3.14. Disponível em: https://lenteraperadaban.hadana.id/index.php/i/article/view/14. Acesso em: 15 oct. 2025.