Bing found the following results
Yugoslav Partisans - Wikipedia
Partisan (military) - Wikipedia
Partisan | Yugoslavian Resistance Force in WWII | Britannica
Ukraine’s Partisans - The New York Times
World Wars: Partisans: War in the Balkans 1941 - 1945 - BBC
Ukraine’s partisans won’t win war but can ‘wreak havoc’: Analysts
Anti-Soviet Partisans in Eastern Europe - The National WWII Museum
Ukraine’s partisans are hitting Russian soldiers behind their own lines
Yugoslav Resistance Movements (1941-1945) - Tank Encyclopedia
Ukraine Insurgents Strike in Russia-Occupied Regions - The New York Times