Nyak Qurratu Aini, Gianina Inaya, Rafli Hamdan Farabi, Zulhiz Tami, Rafles Nobel Pangaribuan, Kartika. DEVELOPMENT OF A BLUETOOTH-BASED WIRELESS STETHOSCOPE WITH MUSIC FEATURES TO REDUCE TODDLER ANXIETY. MORFAI [Internet]. 2026 Jan. 6 [cited 2026 Jun. 13];6(2):1951-8. Available from: https://radjapublika.com/index.php/MORFAI/article/view/4918