Purwadi P, Yusuf I, Pattelongi I, Nurdin A. Physiological Stress Response in a Simulation Exercise of Demonstration Security "Research of Pulse Dynamics, ?-amylase Level, and Salivary Cortisol Level at Various Conditions of Working Climate and Methods of the Resting Phase". IJSBAR. 2015;24(5):157-170. Accessed January 1, 2026. https://gssrr.org/JournalOfBasicAndApplied/article/view/4910