N. I. SITORUS, Muhammad Khadry, Ngatemin, Dhea Delvhia, Samuel Natanael Panggabean, and Miladdia Putri, “Planning for the Unexpected: Crisis Management Practices in the KARETA Event at Medan Tourism Polytechnic”, EJTR, vol. 7, no. 02, pp. 40-57, Dec. 2025.