AZKA KARIMA, DZIKRINA IZATUNIDA, and UKHDA INDRI MARGA RISKA, “Gerontology concept: Toward ego integrity through Taman Pendidikan Al-Quran (TPA) in order to second demographic bonus 2035”, j. adv. res. s. sci. hum., vol. 2, no. 2, pp. 125-130, Apr. 2017.