Fikri, A., I. Isjoni, Y. S. Maulana, and A. Arbain. “The Pahlawan Kerja Train Monument Pekanbaru Correlates With Indonesian History Learning Materials In Grade XI In High School ”. Yupa: Historical Studies Journal, Vol. 7, no. 1, Jan. 2023, pp. 73-85, doi:10.30872/yupa.v7i1.1857.