Jonathan, Agnes, 		Rizkyah, Ayu, 		Permata, Ratna, 		Soesanto, Yenny, 		Zerlinda, Visca, 		Juhanna, Indira Vidiari, AND 		Adiatmika, I Putu Gede.
"The Effect of Vitamin D and Exercise on Muscle Aging" <em>Sport and Fitness Journal</em> [Online], Volume 10 Number 2 (25 May 2022)