Saleh, K. N., A. K. Suliman, and G. N. Saleh. “Variations in Heart Rate Due to Physical and Environmental Conditions: Variasi Denyut Jantung Akibat Kondisi Fisik Dan Lingkungan”. Academia Open, vol. 10, no. 2, July 2025, p. 10.21070/acopen.10.2025.11634, doi:10.21070/acopen.10.2025.11634.