KOVALCHUK, OLHA. “PRINCIPAL COMPONENTS ANALISIS FOR MODELING RISKS OF CRIMINAL CRIME”. Herald of Khmelnytskyi National University. Technical sciences 323, no. 4 (August 31, 2023): 154–158. Accessed January 26, 2026. https://heraldts.khmnu.edu.ua/index.php/heraldts/article/view/593.