Ermawan, Alif, and Eva Hotnaidah Saragih. “Evaluasi Dan Penyempurnaan Praktik Pelatihan Fire Drill Dengan 4 Level Kirkpatrick Pada Aston Priority Simatupang”. Journal of Emerging Business Management and Entrepreneurship Studies 2, no. 1 (April 28, 2022): 15–22. Accessed July 12, 2024. https://jebmes.ppmschool.ac.id/index.php/jebmes/article/view/58.