Machdali I, Budiyanto M. Perilaku Keagamaan Santri Lanjut Usia(LANSIA) di Pondok Pesantren Sepuh Masjid Agung Payaman Magelang. Unisia [Internet]. 2018 Apr. 10 [cited 2024 Nov. 21];36(81):123-34. Available from: https://journal.uii.ac.id/Unisia/article/view/10471