Oom Yomi Romlah, Bambang Heru Purwanto, Didi Turmudzi, and Khaerul Syobar, “R. OTO ISKANDAR DI NATA’ LEADERSHIP IN THE PERSPECTIVE OF MODERN SUNDANESE LEADERSHIP IN THE ERA OF INDUSTRIAL REVOLUTION 4.0”, J Arch.Egyptol, vol. 17, no. 4, pp. 959-967, Nov. 2020.