Widjaja, Aloysius, 		Kinandana, Gede, 		Indrayani, Agung, AND 		Antari, Ni Komang Ayu.
" CORRELATION BETWEEN SMARTPHONE USAGE DURATION AND HANDGRIP STRENGTH IN ADOLESCENTS AGED 18-24 IN TULUNGAGUNG" <em>Sport and Fitness Journal</em> [Online], Volume 10 Number 3 (26 September 2022)