Valentina, Naya. “PNI Organisasi Politik Sesudah 1926 ”. HEURISTIK: Jurnal Pendidikan Sejarah 2, no. 1 (February 28, 2022): 38-44. Accessed February 13, 2026. https://heuristik.ejournal.unri.ac.id/index.php/HJPS/article/view/38.