Nadiyah, Widad, 		Mustofa, Mustofa, 		Djatmiko, Wahyu, AND 		Yusan, Rizak.
" THE EFFECT OF SALIVARY TESTOSTERONE LEVELS ON HEART RATE VARIBILITY ON STUDENTS OF MEDICAL FACULTY OF JENDRAL SOEDIRMAN UNIVERSITY" <em>Mandala Of Health</em> [Online], Volume 15 Number 1 (30 July 2022)