Sipahutar, M., Toni, T., & Junita, J. (2026). The influence of the formation of national spirit character in increasing the nationalistic attitude of class XI 3 students of Kemala Bhayangkari Rantauprapat private high school. EDUCTUM: Journal Research, 5(2), 184–195. https://doi.org/10.56495/ejr.v5i2.1514