The role of digital mobile technology in elderly health management among health care workers in Indonesia: Analysis of knowledge, attitudes, and practice oleh Anastasia A. Dinakrisma, Purwita Wijaya Laksmi, Teofilus Abdiel, Johannes P. Fernandez, Nuri Indahwati, Anindya Pradipta Susanto, Arya Ananda Indrajaya Lukmana, Prasandhya Astagiri Yusuf