Firmansyah, Haris, and Astrini Eka Putri. 2025. “Measuring Historical Thinking Ability: A Quantitative Study of Students on The Indonesia-Malaysia Border, Sambas Regency, West Kalimantan”. Yupa: Historical Studies Journal 9 (2):118-32. https://doi.org/10.30872/yupa.v9i2.5088.