Rudi Andri Syahputra, et al. “THE SOCIO-ECONOMIC BACKGROUND OF THE INFRASTRUCTURE DEVELOPMENT IN THE SUNDANESE LAND (1800-1942)”. PalArch’s Journal of Archaeology of Egypt Egyptology, vol. 17, no. 5, Nov. 2020, pp. 202-13, https://archives.palarch.nl/index.php/jae/article/view/738.