Rahayu, Umi Budi, and Nora Eny Zulekha. “Perbedaan Tandem Exercise Dengan Virtual Reality Exercise Dalam Mengatasi Resiko Jatuh Pada Lanjut Usia: A Pilot Project”. Prosiding University Research Colloquium, Oct. 2019, pp. 688-93, https://repository.urecol.org/index.php/proceeding/article/view/708.