Nila Widiya Wati, et al. “The Effectiveness of Heroes’ Day Commemoration Activities in Fostering Multicultural Attitudes Among Students at SMA Negeri 3 Mataram”. International Journal Of Education And Social Research (IJESR), vol. 3, no. 4, Dec. 2025, pp. 20-23, https://doi.org/10.62017/ijesr.v3i4.145.