M. I. Muttaqin, Y. . Machmudi, S. S. . Suyurno, and U. . Fajarini, “KH Abdullah Syafi’i And The Heritage Of Betawi Islamic Boarding Schools: Modernization, Tradition, And Da’wah (1910–1985)”, el-Tarbawi, vol. 18, no. 2, pp. 127–166, Dec. 2025.