Khayudin, Bayu Akbar, et al. “PHENOMENOLOGICAL STUDY: CAMPUS SECURITY EXPERIENCE OF THE MINISTRY OF HEALTH’S SURAKARTA HEALTH POLYTECHNIC AS A LAY HELPER IN PROVIDING FIRST AID & CARDIAC ARREST TREATMENT FOR ACCIDENT VICTIMS”. Nurse and Health: Jurnal Keperawatan, vol. 14, no. 2, Dec. 2025, pp. 151-60, doi:10.36720/nhjk.v14i2.834.