Samidi, Samidi. “Gotong Royong With Doctor Soetomo to Build Gedung Nasional Indonesia and Nationality Awareness 1924”1938”. MOZAIK HUMANIORA 23, no. 2 (December 31, 2023): 206–222. Accessed April 26, 2025. https://e-journal.unair.ac.id/MOZAIK/article/view/41989.