Waqf of Trade Secret: An Analysis in Indonesian Legal Perspective Chrisna Bagus Edhita Praja, Budi Agus Riswandi, Sri Wartini and Hary Abdul Hakim E3S Web Conf., 500 (2024) 05003 Published online: 11 March 2024 DOI: 10.1051/e3sconf/202450005003